criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.util.Scanner;

 public class Standarddeviation{
   public static void main(String[] args){
     Scanner sc = new Scanner(System.in);
     while(true) {
       int n = sc.nextInt();
       if (n == 0){ break; }
       int[] scores = new int [n];
       for (int i = 0; i < scores.length; i++){
         scores[i] = sc.nextInt();
       }
       double average = 0, variance = 0;
       for(int i = 0; i < n; i++){
         average += scores[i];
       }
       average = (average * 1.0) / n;
       for(int i = 0; i < n; i++){
         variance += (score[i] - average) * (Scores[i] - average);
       }
       variance /= n;       
       System.out.println(Math.sqrt(variance));
     }
   }
 }

Compiler output:
Main.java:3: error: class Standarddeviation is public, should be declared in a file named Standarddeviation.java
 public class Standarddeviation{
        ^
Main.java:19: error: cannot find symbol
         variance += (score[i] - average) * (Scores[i] - average);
                      ^
  symbol:   variable score
  location: class Standarddeviation
Main.java:19: error: cannot find symbol
         variance += (score[i] - average) * (Scores[i] - average);
                                             ^
  symbol:   variable Scores
  location: class Standarddeviation
3 errors
Language: Java

import java.util.Scanner;

 public class Main{
   public static void main(String[] args){
     Scanner sc = new Scanner(System.in);
     while(true) {
       int n = sc.nextInt();
       if (n == 0){ break; }
       int[] scores = new int [n];
       for (int i = 0; i < scores.length; i++){
         scores[i] = sc.nextInt();
       }
       double average = 0, variance = 0;
       for(int i = 0; i < n; i++){
         average += scores[i];
       }
       average = (average * 1.0) / n;
       for(int i = 0; i < n; i++){
         variance += (score[i] - average) * (Scores[i] - average);
       }
       variance /= n;       
       System.out.println(Math.sqrt(variance));
     }
   }
 }

Compiler output:
Main.java:19: error: cannot find symbol
         variance += (score[i] - average) * (Scores[i] - average);
                      ^
  symbol:   variable score
  location: class Main
Main.java:19: error: cannot find symbol
         variance += (score[i] - average) * (Scores[i] - average);
                                             ^
  symbol:   variable Scores
  location: class Main
2 errors
Language: Java

import java.util.Scanner;

public class Main{
 public static void main(String args[]){
  Scanner sc = new Scanner(System.in);
  while(true){
   int n = sc.nextInt();
   if(0 == n){break;}
   int[] scores = new int[n];
   for(i=0;i<scores.length;i++){
   scores[i] = sc.nextInt();
   } 
  double average=0 , variance=0;
  for(i=0;i<scores.length;i++){
   average = average + scores[i];
   }
   average = average/n;
   double[] var = new double[n];
   for(i=0;i<scores.length;i++){
   var[i] = (scores[i]-average)*(scores[i]-average);
   variance = variance + var[i];
   }
   variance = variance/n;
   System.out.println(Math.sqrt(variance));
  }
 }
}

Compiler output:
Main.java:10: error: cannot find symbol
   for(i=0;i<scores.length;i++){
       ^
  symbol:   variable i
  location: class Main
Main.java:10: error: cannot find symbol
   for(i=0;i<scores.length;i++){
           ^
  symbol:   variable i
  location: class Main
Main.java:10: error: cannot find symbol
   for(i=0;i<scores.length;i++){
                           ^
  symbol:   variable i
  location: class Main
Main.java:11: error: cannot find symbol
   scores[i] = sc.nextInt();
          ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
      ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
          ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
                          ^
  symbol:   variable i
  location: class Main
Main.java:15: error: cannot find symbol
   average = average + scores[i];
                              ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
       ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
           ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
                           ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
       ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
                    ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
                                        ^
  symbol:   variable i
  location: class Main
Main.java:21: error: cannot find symbol
   variance = variance + var[i];
                             ^
  symbol:   variable i
  location: class Main
15 errors
Language: Java

import java.util.Scanner;

public class Main{
 public static void main(String args[]){
  Scanner sc = new Scanner(System.in);
  while(true){
   int n = sc.nextInt();
   if(0 == n){break;}
   int[] scores = new int[n];
   for(int i=0;i<scores.length;i++){
   scores[i] = sc.nextInt();
   } 
  double average=0 , variance=0;
  for(i=0;i<scores.length;i++){
   average = average + scores[i];
   }
   average = average/n;
   double[] var = new double[n];
   for(i=0;i<scores.length;i++){
   var[i] = (scores[i]-average)*(scores[i]-average);
   variance = variance + var[i];
   }
   variance = variance/n;
   System.out.println(Math.sqrt(variance));
  }
 }
}

Compiler output:
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
      ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
          ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
  for(i=0;i<scores.length;i++){
                          ^
  symbol:   variable i
  location: class Main
Main.java:15: error: cannot find symbol
   average = average + scores[i];
                              ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
       ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
           ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
   for(i=0;i<scores.length;i++){
                           ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
       ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
                    ^
  symbol:   variable i
  location: class Main
Main.java:20: error: cannot find symbol
   var[i] = (scores[i]-average)*(scores[i]-average);
                                        ^
  symbol:   variable i
  location: class Main
Main.java:21: error: cannot find symbol
   variance = variance + var[i];
                             ^
  symbol:   variable i
  location: class Main
11 errors
Language: Java

import java.util.Scanner;

public class main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while (true) {
			int n = sc.nextInt();
			double average = 0, variance = 0, sum = 0, bun = 0;
			if (n == 0) {
				break;
			}
			int[] scores = new int[n];
			for (int i = 0; i < scores.length; i++) {
				scores[i] = sc.nextInt();
				sum = sum + scores[i];
			}
			average = sum / scores.length;
			for (int i = 0; i < scores.length; i++) {
				bun = bun + (scores[i] - average) * (scores[i] - average);
			}
			variance = bun / scores.length;

			System.out.println(Math.sqrt(variance));
		}

	}
}

Compiler output:
Main.java:3: error: class main is public, should be declared in a file named main.java
public class main {
       ^
1 error
Language: Java

public class Main{
 public static void main(String args[]){
  Scanner sc = new Scanner(System.in);
  int i;
  while(true){
   int n = sc.nextInt();
   if(0 == n){break;}
   int[] scores = new int[n];
   for(i=0;i<scores.length;i++){
   scores[i] = sc.nextInt();
   } 
  double average=0 , variance=0;
  for(i=0;i<scores.length;i++){
   average = average + scores[i];
   }
   average = average/n;
   double[] var = new double[n];
   for(i=0;i<scores.length;i++){
   var[i] = (scores[i]-average)*(scores[i]-average);
   variance = variance + var[i];
   }
   variance = variance/n;
   System.out.println(Math.sqrt(variance));
  }
 }
}

Compiler output:
Main.java:3: error: cannot find symbol
  Scanner sc = new Scanner(System.in);
  ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
  Scanner sc = new Scanner(System.in);
                   ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: Java

import java.util.Scanner;

public class main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while (true) {
			int n = sc.nextInt();
			double average = 0, variance = 0, sum = 0, bun = 0;
			if (n == 0) {
				break;
			}
			int[] scores = new int[n];
			for (int i = 0; i < scores.length; i++) {
				scores[i] = sc.nextInt();
				sum = sum + scores[i];
			}
			average = sum / scores.length;
			for (int i = 0; i < scores.length; i++) {
				bun = bun + (scores[i] - average) * (scores[i] - average);
			}
			variance = bun / scores.length;

			System.out.println(Math.sqrt(variance));
		}

	}
}
}

Compiler output:
Main.java:28: error: class, interface, enum, or record expected
}
^
1 error
Language: Java

import java.util.Scanner;

public class Main {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
		int n = scan.nextInt();
		double m, bunsan, bunsan2, sum = 0, sum2 = 0;
		int[] s;
		while (n != 0) {
			s = new int[n];
			for (int i = 0; i < n; i++) {
				int a = scan.nextInt();
				s[i] = a;
				sum += a;
			}
			m = sum / n;
			for (int j = 0; j < n; j++) {
				sum2 += (s[j] - m) * (s[j] - m);
			}
			bunsan2 = sum2 / n;
			bunsan = Math.sqrt(bunsan2);
			System.out.println(bunsan);
			n = scan.nextInt();
		}
	}

Compiler output:
Main.java:25: error: reached end of file while parsing
	}
	 ^
1 error
Language: Java

import java.util.Scanner;
public class week4_1 {
public static void main(String[] args) { 
	     Scanner sc = new Scanner(System.in);
	     while (true){
	    	 int n = sc.nextInt();
	    	 if (n == 0) { break; }
	    	 int[] scores = new int[n];
	    	 for (int i = 0; i < scores.length; i++) {
	    		 scores[i] = sc.nextInt();
	    		 }
	    	 double a=0,b=0,average = 0, variance = 0;
	    	 for(int i=0,i<n,i++){
	    		 a=a+scores[i];
	    	 }
	    	 average=a/n;
	    	 for(int i=0;i<n;i++){
	    		 b=b+Math.pow(scores{i)-average,2);
	    	 }
	    	 variance=a/n;
	    	 System.out.println(Math.sqrt(variance));
}
}
}

Compiler output:
Main.java:13: error: ';' expected
	    	 for(int i=0,i<n,i++){
	    	              ^
Main.java:13: error: > or ',' expected
	    	 for(int i=0,i<n,i++){
	    	                  ^
Main.java:13: error: illegal start of expression
	    	 for(int i=0,i<n,i++){
	    	                    ^
Main.java:18: error: ')' or ',' expected
	    		 b=b+Math.pow(scores{i)-average,2);
	    		                    ^
Main.java:18: error: not a statement
	    		 b=b+Math.pow(scores{i)-average,2);
	    		                     ^
Main.java:18: error: ';' expected
	    		 b=b+Math.pow(scores{i)-average,2);
	    		                      ^
Main.java:18: error: not a statement
	    		 b=b+Math.pow(scores{i)-average,2);
	    		                        ^
Main.java:18: error: ';' expected
	    		 b=b+Math.pow(scores{i)-average,2);
	    		                               ^
Main.java:24: error: reached end of file while parsing
}
 ^
9 errors
Language: Java

import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		while(true){
			int n = sc.nextInt();
			if(n == 0){ break; }
			int[] scores = new int[n];
			for(int i = 0; i < scores.length; i++){
				scores[i] = sc.nextInt();
				sum += scores[i];
			}
		double sum = 0; average =0, variance = 0, temp = 0;
		average = sum / n;
		System.out.printf("%.8f\n", average);
		for(int j = 0; j < n; j++){
			temp += (scores[j] - average) * (scores[j] - average);
		}
		variance = temp / n;
		System.out.printf("%.8f\n", Math.sqrt(variance));
		}
	}
}

Compiler output:
Main.java:14: error: ';' expected
		double sum = 0; average =0, variance = 0, temp = 0;
		                          ^
Main.java:14: error: ';' expected
		double sum = 0; average =0, variance = 0, temp = 0;
		                                        ^
2 errors
Language: Java

import java.util.Scanner;

public class StandardDeviation {
 public static <S> void main(String[] args){
  Scanner input=new Scanner(System.in);
  int n ;
  int[] S;
  S=new int[1000];
  double sum, m, k, a;
  
  while((n = input.nextInt())!=0){
   sum=0.0;
   for (int i=0;i<n; i++){
    S[i]=input.nextInt();
   }
   for (int i=0;i<n; i++){
    sum=sum+S[i];
 
   }
  
   m=(double)sum/n;
   k=0.0;
   double u=0.0;
   
   for (int i=0;i<n;i++){
    k=(S[i]-m)*(S[i]-m);
    u=u+k;
   }
   
   a=u/n;
   System. out. println (Math.s qrt(a));
  
  }
 }
}

Compiler output:
Main.java:31: error: ')' or ',' expected
   System. out. println (Math.s qrt(a));
                               ^
Main.java:31: error: ';' expected
   System. out. println (Math.s qrt(a));
                                      ^
2 errors
Language: Java

import java.util.Scanner;
public class week4_1 {
public static void main(String[] args) { 
Scanner sc = new Scanner(System.in);
while (true){
int n = sc.nextInt();
if (n == 0) { break; }
int[] scores = new int[n];
for (int i = 0; i < scores.length; i++) {
scores[i] = sc.nextInt();
}
double a=0,b=0,average = 0, variance = 0;
for(int i=0,i<n,i++){
a=a+scores[i];
}
average=a/n;
for(int i=0;i<n;i++){
b=b+Math.pow(scores{i)-average,2);
}
variance=a/n;
System.out.println(Math.sqrt(variance));
}
}
}

Compiler output:
Main.java:13: error: ';' expected
for(int i=0,i<n,i++){
             ^
Main.java:13: error: > or ',' expected
for(int i=0,i<n,i++){
                 ^
Main.java:13: error: illegal start of expression
for(int i=0,i<n,i++){
                   ^
Main.java:18: error: ')' or ',' expected
b=b+Math.pow(scores{i)-average,2);
                   ^
Main.java:18: error: not a statement
b=b+Math.pow(scores{i)-average,2);
                    ^
Main.java:18: error: ';' expected
b=b+Math.pow(scores{i)-average,2);
                     ^
Main.java:18: error: not a statement
b=b+Math.pow(scores{i)-average,2);
                       ^
Main.java:18: error: ';' expected
b=b+Math.pow(scores{i)-average,2);
                              ^
Main.java:24: error: reached end of file while parsing
}
 ^
9 errors
Language: Java

import java.util.Scanner;
public class Main {
public static void main(String[] args) { 
Scanner sc = new Scanner(System.in);
while (true){
int n = sc.nextInt();
if (n == 0) { break; }
int[] scores = new int[n];
for (int i = 0; i < scores.length; i++) {
scores[i] = sc.nextInt();
}
double a=0,b=0,average = 0, variance = 0;
for(int i=0,i<n,i++){
a=a+scores[i];
}
average=a/n;
for(int i=0;i<n;i++){
b=b+Math.pow(scores{i)-average,2);
}
variance=a/n;
System.out.println(Math.sqrt(variance));
}
}
}

Compiler output:
Main.java:13: error: ';' expected
for(int i=0,i<n,i++){
             ^
Main.java:13: error: > or ',' expected
for(int i=0,i<n,i++){
                 ^
Main.java:13: error: illegal start of expression
for(int i=0,i<n,i++){
                   ^
Main.java:18: error: ')' or ',' expected
b=b+Math.pow(scores{i)-average,2);
                   ^
Main.java:18: error: not a statement
b=b+Math.pow(scores{i)-average,2);
                    ^
Main.java:18: error: ';' expected
b=b+Math.pow(scores{i)-average,2);
                     ^
Main.java:18: error: not a statement
b=b+Math.pow(scores{i)-average,2);
                       ^
Main.java:18: error: ';' expected
b=b+Math.pow(scores{i)-average,2);
                              ^
Main.java:24: error: reached end of file while parsing
}
 ^
9 errors
Language: Java

import java.util.Scanner;
public class week4 {
	  public static void main(String[] args) {
		  Scanner sc = new Scanner(System.in);
		  while (true) {
			  int n = sc.nextInt();
			  if (n == 0) { break; }
			  int[] scores = new int[n];
			  for (int i = 0; i < scores.length; i++) {
				  scores[i] = sc.nextInt();
				  }
			  double average = 0, variance = 0,a=0,b=0;
			  for(int i=0;i<n;i++){
				  a=a+scores[i];
			  }
			  average=a/n;
			  for(int i=0;i<n;i++){
				  b=b+Math.pow(scores[i]-average,2);
			  }
			  variance=b/n;
			  System.out.println(Math.sqrt(variance));
			  } 
		  }
	  }

Compiler output:
Main.java:2: error: class week4 is public, should be declared in a file named week4.java
public class week4 {
       ^
1 error
Language: Java

import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    while(true) {
      int n = sc.nextInt();
      int point[] = new int[n];
      int sum = 0;
      for (i = 0; i < n; i++) {
        if (n == 0) {
          break;
        }
        point[i] = sc.nextInt();
        sum += point[i];
      }
      double ave = (double)sum/n;
      double sdsum = 0;
      for (i = 0; i < n; i++) {
        sdsum += Math.pow((point[i]-ave),2);
      }
      System.out.println(Math.sqrt(sdsum/n));
  }
}

Compiler output:
Main.java:23: error: reached end of file while parsing
}
 ^
1 error
Language: Java

import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    while(true) {
      int n = sc.nextInt();
      int point[] = new int[n];
      int sum = 0;
      for (i = 0; i < n; i++) {
        if (n == 0) {
          break;
        }
        point[i] = sc.nextInt();
        sum += point[i];
      }
      double ave = (double)sum/n;
      double sdsum = 0;
      for (i = 0; i < n; i++) {
        sdsum += Math.pow((point[i]-ave),2);
      }
      System.out.println(Math.sqrt(sdsum/n));
    }
  }
}

Compiler output:
Main.java:9: error: cannot find symbol
      for (i = 0; i < n; i++) {
           ^
  symbol:   variable i
  location: class Main
Main.java:9: error: cannot find symbol
      for (i = 0; i < n; i++) {
                  ^
  symbol:   variable i
  location: class Main
Main.java:9: error: cannot find symbol
      for (i = 0; i < n; i++) {
                         ^
  symbol:   variable i
  location: class Main
Main.java:13: error: cannot find symbol
        point[i] = sc.nextInt();
              ^
  symbol:   variable i
  location: class Main
Main.java:14: error: cannot find symbol
        sum += point[i];
                     ^
  symbol:   variable i
  location: class Main
Main.java:18: error: cannot find symbol
      for (i = 0; i < n; i++) {
           ^
  symbol:   variable i
  location: class Main
Main.java:18: error: cannot find symbol
      for (i = 0; i < n; i++) {
                  ^
  symbol:   variable i
  location: class Main
Main.java:18: error: cannot find symbol
      for (i = 0; i < n; i++) {
                         ^
  symbol:   variable i
  location: class Main
Main.java:19: error: cannot find symbol
        sdsum += Math.pow((point[i]-ave),2);
                                 ^
  symbol:   variable i
  location: class Main
9 errors
Language: C

#include <stdio.h>
#include <math.h>

#define DEBUG

int main(void)
{
	int n;
	double s[1000];
	double a;
	double i;
	double ave;
	double X;
	
	while (1){
		ave = 0;
		X = 0;
		scanf("%d", &n);
		if (n == 0){
			break;
		}
		
		for (i = 0; i < n; i++){
			scanf("%lf", &s[i]);
			ave += s[i];
		}
		ave /= (double)n;

		for (i = 0; i < n; i++){
			X += (s[i] - ave) * (s[i] - ave);
		}
		X /= (double)n;
		a = sqrt(X);
		printf("%.4lf\n", a);
	}
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:24:40: error: array subscript is not an integer
   24 |                         scanf("%lf", &s[i]);
      |                                        ^
main.c:25:33: error: array subscript is not an integer
   25 |                         ave += s[i];
      |                                 ^
main.c:30:32: error: array subscript is not an integer
   30 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                ^
main.c:30:47: error: array subscript is not an integer
   30 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                               ^
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	int n;
	double s[1000];
	double a;
	double i;
	double ave;
	double X;
	
	while (1){
		ave = 0;
		X = 0;
		scanf("%d", &n);
		if (n == 0){
			break;
		}
		
		for (i = 0; i < n; i++){
			scanf("%lf", &s[i]);
			ave += s[i];
		}
		ave /= (double)n;

		for (i = 0; i < n; i++){
			X += (s[i] - ave) * (s[i] - ave);
		}
		X /= (double)n;
		a = sqrt(X);
		printf("%lf\n", a);
	}
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:22:40: error: array subscript is not an integer
   22 |                         scanf("%lf", &s[i]);
      |                                        ^
main.c:23:33: error: array subscript is not an integer
   23 |                         ave += s[i];
      |                                 ^
main.c:28:32: error: array subscript is not an integer
   28 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                ^
main.c:28:47: error: array subscript is not an integer
   28 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                               ^
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	double n;
	double s[1000];
	double a;
	double i;
	double ave;
	double X;
	
	while (1){
		ave = 0;
		X = 0;
		scanf("%d", &n);
		if (n == 0){
			break;
		}
		
		for (i = 0; i < n; i++){
			scanf("%lf", &s[i]);
			ave += s[i];
		}
		ave /= n;

		for (i = 0; i < n; i++){
			X += (s[i] - ave) * (s[i] - ave);
		}
		X /= n;
		a = sqrt(X);
		printf("%lf\n", a);
	}
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:22:40: error: array subscript is not an integer
   22 |                         scanf("%lf", &s[i]);
      |                                        ^
main.c:23:33: error: array subscript is not an integer
   23 |                         ave += s[i];
      |                                 ^
main.c:28:32: error: array subscript is not an integer
   28 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                ^
main.c:28:47: error: array subscript is not an integer
   28 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                               ^
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	double n;
	double s[1000];
	double a;
	double i;
	double ave;
	double X;
	
	while (1){
		ave = 0;
		X = 0;
		
		scanf("%lf", &n);
		
		if (n == 0){
			break;
		}
		
		for (i = 0; i < n; i++){
			scanf("%lf", &s[i]);
			ave += s[i];
		}
		ave /= n;

		for (i = 0; i < n; i++){
			X += (s[i] - ave) * (s[i] - ave);
		}
		
		X /= n;
		a = sqrt(X);
		
		printf("%lf\n", a);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:24:40: error: array subscript is not an integer
   24 |                         scanf("%lf", &s[i]);
      |                                        ^
main.c:25:33: error: array subscript is not an integer
   25 |                         ave += s[i];
      |                                 ^
main.c:30:32: error: array subscript is not an integer
   30 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                ^
main.c:30:47: error: array subscript is not an integer
   30 |                         X += (s[i] - ave) * (s[i] - ave);
      |                                               ^
Language: C

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<math.h>

int main()
{
	int n;
	int a[1005];
	int sum;
	double ave;
	double alpha;

	while (1) {
		scanf("%d",&n);
		sum = 0;
		alpha = 0;
		if (n == 0) break;
		for (int i = 0; i < n; i++) {
			scanf("%d",&a[i]);
			sum += a[i];
		}
		ave = sum / n;
		for (int i = 0; i < n; i++) {
			alpha += pow(a[i] - ave, 2);
		}
		alpha /= n;
		printf("%.8lf\n", sqrt(alpha));
	}

	

	return (0);
}

Compiler output:
/usr/bin/ld: /tmp/ccOMr84k.o: in function `main':
main.c:(.text+0xdf): undefined reference to `pow'
/usr/bin/ld: main.c:(.text+0x120): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
Language: C

#include <stdio.h>
#include <math.h>
int main(int argc,const char *argv[]){
    int n,i,sum;
    double a,m;
    scanf("%d",&n);
    while(n!=0){
    scanf("%d",&n);
    int S[n];
    while(i!=n){
        scanf("%d",&S[i]);
        sum+=S[i];
        i++;
    }
        m=double(sum/n);
        for(i=0;i<n;i++){
            a+=(S[i]-m)*(S[i]-m);
        }
        a=sqrt(a/n);
        printf("%f\n",a);
        
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:11: error: expected expression before 'double'
   15 |         m=double(sum/n);
      |           ^~~~~~
Language: C

#include <stdio.h>
#include <math.h>
int main(int argc,const char *argv[]){
    int i,sum,n=1;
    double a,ave,in;
    while(n!=0){
        ave=0;
        a=0;
        scanf("%d",&n);
        int S[n];
        
    while(i!=n){
            scanf("%d",&S[i]);
            sum+=S[i];
            i++;
        }
            in=n;
            ave= sum/in;
            for(i=0;i<n;i++){
                a=a+(S[i]-m)*(S[i]-m);
            }
            a=sqrt(a/n);
            printf("%f\n",a);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:27: error: 'm' undeclared (first use in this function)
   20 |                 a=a+(S[i]-m)*(S[i]-m);
      |                           ^
main.c:20:27: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
#include <math.h>
int main(int argc,const char *argv[]){
    int i,sum,n=1;
    double a,ave,in;
    while(n!=0){
        i=0;
        ave=0;
        a=0;
        sum=0;
        scanf("%d",&n);
        int S[n];
        
    while(i!=n){
            scanf("%d",&S[i]);
            sum+=S[i];
            i++;
        }
            ave= (double)sum/(double)n;
            for(i=0;i<n;i++){
                a=a+(double(S[i])-ave)*(double(S[i])-ave);
            }
            a=sqrt(a/n);
            printf("%f\n",a);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:29: error: expected ')' before 'S'
   21 |                 a=a+(double(S[i])-ave)*(double(S[i])-ave);
      |                             ^
      |                             )
main.c:21:34: error: expected ')' before '-' token
   21 |                 a=a+(double(S[i])-ave)*(double(S[i])-ave);
      |                     ~            ^
      |                                  )
main.c:21:48: error: expected ')' before 'S'
   21 |                 a=a+(double(S[i])-ave)*(double(S[i])-ave);
      |                                                ^
      |                                                )
main.c:21:53: error: expected ')' before '-' token
   21 |                 a=a+(double(S[i])-ave)*(double(S[i])-ave);
      |                                        ~            ^
      |                                                     )
Language: C

#include <stdio.h>
#include <math.h>

void solve(int *s, int n, double m)
{
  int sum = 0;
  
  for (int i = 0; i < n; i++){
  	sum += (s[i] - m) * (s[i] - m);
  }
  
  printf("%lf\n", sqrt(sum / m)));
}

int main(void)
{
  int n, s[1000];
  double m = 0;
  
  while (scanf("%d", &n), n){
  	for (int i = 0; i < n; i++){
  	  scanf("%d", &s[i]);
  	  m += s[i];
  	}
  	m /= n;
  	solve(s, n, m);
  }
  
  return (0);
}

Compiler output:
main.c: In function 'solve':
main.c:12:33: error: expected ';' before ')' token
   12 |   printf("%lf\n", sqrt(sum / m)));
      |                                 ^
      |                                 ;
main.c:12:33: error: expected statement before ')' token
Language: C

#include <stdio.h>
#include <math.h>

void solve(int *s, int n, double m)
{
  int sum = 0;
  
  for (int i = 0; i < n; i++){
  	sum += (s[i] - m) * (s[i] - m);
  }
  
  printf("%lf\n", sqrt(sum / m));
}

int main(void)
{
  int n, s[1000];
  double m = 0;
  
  while (scanf("%d", &n), n){
  	for (int i = 0; i < n; i++){
  	  scanf("%d", &s[i]);
  	  m += s[i];
  	}
  	m /= n;
  	solve(s, n, m);
  }
  
  return (0);
}

Compiler output:
/usr/bin/ld: /tmp/cct8wSgs.o: in function `solve':
main.c:(.text+0xab): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>


#define M_PI    3.14159265358979323846

int main(void)
{

        int i=0;
        int *s;
        int sum=0;
        double m=0;
        double a=0;
        int n = 0;


        while(1)
        {
                scanf("%d",&n);

                if(n==0)
                {
                        break;
                }

                s = (int*)malloc(sizeof(int)*n);

                for(i = 0 ;i < n; i++)
                {
                        scanf("%d",&s[i]);
                        sum += s[i];
                }
                m = sum / n;

                sum = 0;
                for(i = 0; i < n; i++)
                {
                        sum += ((s[ i ]-m)*(s[ i ]-m));
                }
                a = sum/n;

                printf("%f\n", sqrt(a));
                free(s);
                sum=0
        }

        return 0;
}

Compiler output:
main.c: In function 'main':
main.c:47:22: error: expected ';' before '}' token
   47 |                 sum=0
      |                      ^
      |                      ;
   48 |         }
      |         ~
Language: C

#include <stdio.h>
#include <math.h>
 
int main(void)
{
  int n, i;
  int s[1000];
  double m, sum, alpha;
 
  while (1) {
    scanf("%d", &n);
    if (n == 0) {
      break;
    }
    sum = 0;
    for (i = 0; i < n; i++) {
      scanf("%d", &s[i]);
      sum += s[i];
    }
    m = sum / n;
  
    sum = 0;

    for(i=0;i<n;i++)
    {
    	sum+=((s[i]-m)*(s[i]-m));
    }

    alpha = sqrt(sum/n);

    printf("%lf\n",alpha);

	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:34:1: error: expected declaration or statement at end of input
   34 | }
      | ^
Language: C

//
//  main.cpp
//  aizu_27
//
//  Created by x13077xx on 2015/05/05.
//  Copyright (c) 2015??´ Takaki Tsunekawa. All rights reserved.
//

#include <math.h>
#include <iostream>

int main(int argc, const char * argv[])
{
    int n, s[1000], i;
    double m, ans, ans_2;
    
    while(1){
        m=0; ans=0; ans_2=0;
        scanf("%d", &n);
        if(n == 0) break;
        for(i=0; i<n; i++){
            scanf("%d", &s[i]);
            m += s[i];
        }
        m = m/n;
        for(i=0; i<n; i++){
            ans += (s[i]-m)*(s[i]-m);
        }
        ans_2 = sqrt(ans/n);
        printf("%lf\n", ans_2);
    }
    
    return 0;
}

Compiler output:
main.c:10:10: fatal error: iostream: No such file or directory
   10 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.
Language: C

#include <math.h>

int main(int argc, const char * argv[])
{
    int num,s[1000],i=0,sum;
    double a,ave,f;
    
    while(1){
        a=0.0;ave=0.0;f=0.0;sum=0;
        for(i=0;i<1000;i++){
            s[i]=0;
        }
        scanf("%d",&num);
        if(num==0){
            break;
        }
        for(i=0;i<num;i++){
            scanf("%d",&s[i]);
            sum+=s[i];
        }
        ave = double (sum/num);

        for(i=0;i<num;i++){
            f+=(s[i]-ave)*(s[i]-ave);
        }

        a =sqrt(f/num);
        printf("%lf\n",a);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   13 |         scanf("%d",&num);
      |         ^~~~~
main.c:2:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    1 | #include <math.h>
  +++ |+#include <stdio.h>
    2 | 
main.c:13:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   13 |         scanf("%d",&num);
      |         ^~~~~
main.c:13:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:21:15: error: expected expression before 'double'
   21 |         ave = double (sum/num);
      |               ^~~~~~
main.c:28:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   28 |         printf("%lf\n",a);
      |         ^~~~~~
main.c:28:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:28:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:28:9: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

g#include<stdio.h>
#include<math.h>
int main(){

int n,s[1000],i,m1,m2;
double a;

while(1){
  m1=0;m2=0;
  scanf("%d",&n); if(n==0) break;
  for(i=0;i<n;i++){
    scanf("%d",&s[i]);
    m1+=s[i];
  }
  for(i=0;i<n;i++){
    m2+=pow(s[i]-m1/n,2);
  }
  a=fabs(sqrt(m2/n));
  printf("%.8f\n",a);
}

return(0);
}

Compiler output:
main.c:1:2: error: stray '#' in program
    1 | g#include<stdio.h>
      |  ^
main.c:1:1: error: unknown type name 'g'
    1 | g#include<stdio.h>
      | ^
main.c:1:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | g#include<stdio.h>
      |          ^
main.c: In function 'main':
main.c:10:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   10 |   scanf("%d",&n); if(n==0) break;
      |   ^~~~~
main.c:3:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    2 | #include<math.h>
  +++ |+#include <stdio.h>
    3 | int main(){
main.c:10:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   10 |   scanf("%d",&n); if(n==0) break;
      |   ^~~~~
main.c:10:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:19:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   19 |   printf("%.8f\n",a);
      |   ^~~~~~
main.c:19:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:19:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:19:3: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

include <stdio.h>
#include <math.h>
#define MAX 1000

int main(void){
  int n;
  int i, j=0, sum;
  int score[MAX];
  double ave, tmp;
  double dev[MAX];

  while(1){
    scanf("%d", &n);
    if(n==0){
      break;
    }
    sum=0;
    for(i=0;i<n;i++){
      scanf("%d", &score[i]);
      sum+=score[i];
    }
    ave=(double)sum/(double)n;
    tmp=0.0;
    for(i=0;i<n;i++){
      tmp+=pow(score[i]-ave, 2);
    }
    dev[j++]=sqrt(tmp/(double)n);
  }
  for(i=0;i<j;i++){
    printf("%f\n", dev[i]);
  }
  return 0;
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
main.c: In function 'main':
main.c:13:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   13 |     scanf("%d", &n);
      |     ^~~~~
main.c:3:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    2 | #include <math.h>
  +++ |+#include <stdio.h>
    3 | #define MAX 1000
main.c:13:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   13 |     scanf("%d", &n);
      |     ^~~~~
main.c:13:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:30:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   30 |     printf("%f\n", dev[i]);
      |     ^~~~~~
main.c:30:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:30:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:30:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	double n, i, score[1001];
	double s, j;
	
	while (1){
		scanf("%lf", &n);
		if (n == 0){
			break;
		}
		s = 0;
		j = 0;
		for (i = 0; i < n; i++){
			scanf("%lf", &score[i]);
			s += score[i];
		}
		s /= n * 1.0;
		
		for (i = 0; i < n; i++){
			score[i] -= s;
			score[i] *= score[i];
			j += score[i];
		}
		
		j /= n * 1.0;
		j = sqrt(j);
		printf("%.10lf\n", j);
	}
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:17:44: error: array subscript is not an integer
   17 |                         scanf("%lf", &score[i]);
      |                                            ^
main.c:18:35: error: array subscript is not an integer
   18 |                         s += score[i];
      |                                   ^
main.c:23:30: error: array subscript is not an integer
   23 |                         score[i] -= s;
      |                              ^
main.c:24:30: error: array subscript is not an integer
   24 |                         score[i] *= score[i];
      |                              ^
main.c:24:42: error: array subscript is not an integer
   24 |                         score[i] *= score[i];
      |                                          ^
main.c:25:35: error: array subscript is not an integer
   25 |                         j += score[i];
      |                                   ^
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	double n, i, score[1001];
	double s, j;
	
	while (1){
		scanf("%lf", &n);
		if (n == 0){
			break;
		}
		s = 0;
		j = 0;
		for (i = 0; i < n; i++){
			scanf("%lf", &score[i]);
			s += score[i];
		}
		s /= n * 1.0;
		
		for (i = 0; i < n; i++){
			score[i] -= s;
			score[i] *= score[i];
			j += score[i];
		}
		
		j /= n * 1.0;
		j = sqrt(j);
		printf("%.8lf\n", j);
	}
	
	return (0);
}

Compiler output:
main.c: In function 'main':
main.c:17:44: error: array subscript is not an integer
   17 |                         scanf("%lf", &score[i]);
      |                                            ^
main.c:18:35: error: array subscript is not an integer
   18 |                         s += score[i];
      |                                   ^
main.c:23:30: error: array subscript is not an integer
   23 |                         score[i] -= s;
      |                              ^
main.c:24:30: error: array subscript is not an integer
   24 |                         score[i] *= score[i];
      |                              ^
main.c:24:42: error: array subscript is not an integer
   24 |                         score[i] *= score[i];
      |                                          ^
main.c:25:35: error: array subscript is not an integer
   25 |                         j += score[i];
      |                                   ^
Language: C

#include <stdio.h>
int main()
{
  double s[1001];
  double temp,av,ss;
  int i,n;
 
  while(1){
    scanf("%d",&n);
    if(!n) break;
  for(i=1; i<=n; i++){
  if(i!=1)putchar('\n);
   scanf("%lf",&s[i];);
    temp += s[i];
  }
   av = temp/n;
   for(i=1; i<=n; i++){
   ss  += (s[i]-av)*(s[i]-1v])/n;
   }
   printf("%f\n",ss);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:19: warning: missing terminating ' character
   12 |   if(i!=1)putchar('\n);
      |                   ^
main.c:12:19: error: missing terminating ' character
   12 |   if(i!=1)putchar('\n);
      |                   ^~~~~
main.c:13:21: error: expected ')' before ';' token
   13 |    scanf("%lf",&s[i];);
      |         ~           ^
      |                     )
main.c:13:23: error: expected ')' before ';' token
   13 |    scanf("%lf",&s[i];);
      |                       ^
      |                       )
main.c:12:18: note: to match this '('
   12 |   if(i!=1)putchar('\n);
      |                  ^
main.c:14:18: error: expected ';' before '}' token
   14 |     temp += s[i];
      |                  ^
      |                  ;
   15 |   }
      |   ~               
main.c:18:27: error: invalid suffix "v" on integer constant
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                           ^~
main.c:18:29: error: expected ')' before ']' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                     ~       ^
      |                             )
main.c:18:29: error: expected ';' before ']' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                             ^
      |                             ;
main.c:18:29: error: expected statement before ']' token
main.c:18:30: error: expected statement before ')' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                              ^
main.c:18:31: error: expected expression before '/' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                               ^
Language: C

#include <stdio.h>
int main()
{
  double s[1001];
  double temp,av,ss;
  int i,n;
 
  while(1){
    scanf("%d",&n);
    if(!n) break;
  for(i=1; i<=n; i++){
  if(i!=1) putchar('\n');
   scanf("%lf",&s[i]);
    temp += s[i];
  }
   av = temp/n;
   for(i=1; i<=n; i++){
   ss  += (s[i]-av)*(s[i]-1v])/n;
   }
   printf("%f\n",ss);
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:27: error: invalid suffix "v" on integer constant
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                           ^~
main.c:18:29: error: expected ')' before ']' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                     ~       ^
      |                             )
main.c:18:29: error: expected ';' before ']' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                             ^
      |                             ;
main.c:18:29: error: expected statement before ']' token
main.c:18:30: error: expected statement before ')' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                              ^
main.c:18:31: error: expected expression before '/' token
   18 |    ss  += (s[i]-av)*(s[i]-1v])/n;
      |                               ^
Language: C

#include <stdio.h>
#include <math.c>
int main()
{
  double s[1001];
  double temp,av,ss,sss;
  int i,n;
 
  while(1){
    scanf("%d",&n);
    if(!n) break;
  for(i=1; i<=n; i++){
  if(i!=1) putchar(' ');
   scanf("%lf",&s[i]);
    temp += s[i];
  }
   av = temp / n;
   for(i=1; i<=n; i++){
   ss  += (s[i]-av)*(s[i]-av);
   }
   sss =sqrt(ss);
   printf("%f\n",sss/n);
}
return 0;
}

Compiler output:
main.c:2:10: fatal error: math.c: No such file or directory
    2 | #include <math.c>
      |          ^~~~~~~~
compilation terminated.
Language: C

#include <stdio.h>
#include <math.h>
 
int main(void) {
    int students;
    double score[1000];
    int i;
    double average;
    double sum;

    while (1) {
        scanf("%d", &students);
        if (students == 0) break;

        for(i=0; i < students; i++) {
            scanf("%lf", &score[i]);
        }

        average=sum=0;
        for(i=0; i < n; i++) {
            average += score[i];
        }
        average /= n;

        for(i=0;i<n;i++) {
            sum+=(input[i]-average)*(input[i]-average);
        }

        printf("%.15f\n",sqrt(sum/n));
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:22: error: 'n' undeclared (first use in this function)
   20 |         for(i=0; i < n; i++) {
      |                      ^
main.c:20:22: note: each undeclared identifier is reported only once for each function it appears in
main.c:26:19: error: 'input' undeclared (first use in this function); did you mean 'int'?
   26 |             sum+=(input[i]-average)*(input[i]-average);
      |                   ^~~~~
      |                   int
Language: C

#include <stdio.h>
#include <math.h>
 
int main(void) {
    int students;
    double score[1000];
    int i;
    double average;
    double sum;

    while (1) {
        scanf("%d", &students);
        if (students == 0) break;

        for(i = 0; i < students; i++) {
            scanf("%lf", &score[i]);
        }

        average = sum = 0;
        for(i=0; i < students; i++) {
            average += score[i];
        }
        average /= students

        for(i = 0;i < students; i++) {
            sum += (score[i] - average)*(score[i] - average);
        }

        printf("%.15f\n",sqrt(sum / students));
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:23:28: error: expected ';' before 'for'
   23 |         average /= students
      |                            ^
      |                            ;
   24 | 
   25 |         for(i = 0;i < students; i++) {
      |         ~~~
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
  int students;
  double score[1000], sum, ave, ans;
  int i;

  while (1) {
    scanf("%d", &students);
    if (students == 0) break;
    
    sum = 0;
    for (i = 0; i < students; i++) {
      scanf("%lf", &score[i]);
      sum += score[i];
    }
    ave = sum / students;
  
    ans = 0
    for (i = 0; i < students; i++) {
      ans += ((double)score[i] - ave)*((double)score[i] - ave);
    }
    ans = sqrt(ans / students);

    printf("%.8f\n", ans);
  }

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:12: error: expected ';' before 'for'
   21 |     ans = 0
      |            ^
      |            ;
   22 |     for (i = 0; i < students; i++) {
      |     ~~~
Language: C

#include <stdio.h>
#include <math.h>

int main(void){
    int n, i, j;
    while(1){
        double sum = 0;
        double sum2 = 0;
        double ave, vari, sdev;
        scanf("%d",&n);
        if(n == 0)break;
        for(i = 0;i < n;i++){
            scanf("%d",&j);
            sum = sum + j;
            sum2 = sum2 + pow(j,2.0);
        }
        ave = sum / (double)n;
        vari = (sum2 / (double)n) - (pow(ave,2.0));
        sdev = sqrt(vari);
        printf("%f\n"sdev);
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:22: error: expected ')' before 'sdev'
   20 |         printf("%f\n"sdev);
      |               ~      ^~~~
      |                      )
Language: C

#include <stdio.h>
#include <math.h>

int main(){
  double s[1001] = {}, var,ave, n;
  int i;
  while(1){
    scanf("%lf", &n);
    if (!0) break;
    int sum = 0, sum = 0;
    for (i = 0;i < n;i++){
      scanf("%lf", s + i);
      sum += s[i];
    }
    for (i = 0;i < n;i++) sum += (s[i] - ave) * (s[i] - ave);

    printf("%lf\n", sqrt(sum / n));
  }

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:18: error: redefinition of 'sum'
   10 |     int sum = 0, sum = 0;
      |                  ^~~
main.c:10:9: note: previous definition of 'sum' with type 'int'
   10 |     int sum = 0, sum = 0;
      |         ^~~
Language: C

#include <stdio.h>
#include <math.h>

int main(void)
{
	double a[1000];
	double b, c, d, e, f;
	double g;
	double z;
	
	b = 1;
	while (b != 0) {
		d = 0;
		f = 0;
		g = 0;
		scanf("%lf", &b);
		for (c = 0; c < b; c++) {
			scanf("%lf", &a[c]);
			d += a[c];
		}
		e = d / b;
		
		for (c = 0; c < b; c++) {
			f += (e - a[c]) * (e - a[c]);
		}
		
		g = f / b;
		
		z = sqrt(g);
		
		printf("%lf\n", z);
	}
	
	return (0);
}	

Compiler output:
main.c: In function 'main':
main.c:18:40: error: array subscript is not an integer
   18 |                         scanf("%lf", &a[c]);
      |                                        ^
main.c:19:31: error: array subscript is not an integer
   19 |                         d += a[c];
      |                               ^
main.c:24:36: error: array subscript is not an integer
   24 |                         f += (e - a[c]) * (e - a[c]);
      |                                    ^
main.c:24:49: error: array subscript is not an integer
   24 |                         f += (e - a[c]) * (e - a[c]);
      |                                                 ^