Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
 
int stack[1000];
int kazu;
 
void push(int j){
  stack[++kazu] = j;
}
int pop(){
  kazu--;
  return stack[kazu+1];
}
 
int main(){
  int l,n;
  kazu = 0;
  char s[100];
  while( scanf("%s", s)!=EOF){
    if(s[0] == '+'){
      l =pop();
      n =pop();
      push(l+n);
    }
    else if(s[0]=='-'){
      n = pop();
      l = pop();
      push(l-n);
    }
    else if(s[0]=='*'){
      l = pop();
      n = pop();
      push(l*n);
    }
    else{
      push(atoi(s));
    }
  }
  printf("%d\n", pop());
  return 0;
}


Compiler output:
main.c:4:1: error: stray '\302' in program
    4 | <U+00A0>
      | ^~~~~~~~
main.c:7:1: error: stray '\302' in program
    7 | <U+00A0>
      | ^~~~~~~~
main.c: In function 'push':
main.c:9:1: error: stray '\302' in program
    9 | <U+00A0><U+00A0>stack[++kazu] = j;
      | ^~~~~~~~
main.c:9:2: error: stray '\302' in program
    9 | <U+00A0><U+00A0>stack[++kazu] = j;
      |         ^~~~~~~~
main.c: In function 'pop':
main.c:12:1: error: stray '\302' in program
   12 | <U+00A0><U+00A0>kazu--;
      | ^~~~~~~~
main.c:12:2: error: stray '\302' in program
   12 | <U+00A0><U+00A0>kazu--;
      |         ^~~~~~~~
main.c:13:1: error: stray '\302' in program
   13 | <U+00A0><U+00A0>return stack[kazu+1];
      | ^~~~~~~~
main.c:13:2: error: stray '\302' in program
   13 | <U+00A0><U+00A0>return stack[kazu+1];
      |         ^~~~~~~~
main.c: At top level:
main.c:15:1: error: stray '\302' in program
   15 | <U+00A0>
      | ^~~~~~~~
main.c: In function 'main':
main.c:17:1: error: stray '\302' in program
   17 | <U+00A0><U+00A0>int l,n;
      | ^~~~~~~~
main.c:17:2: error: stray '\302' in program
   17 | <U+00A0><U+00A0>int l,n;
      |         ^~~~~~~~
main.c:18:1: error: stray '\302' in program
   18 | <U+00A0><U+00A0>kazu = 0;
      | ^~~~~~~~
main.c:18:2: error: stray '\302' in program
   18 | <U+00A0><U+00A0>kazu = 0;
      |         ^~~~~~~~
main.c:19:1: error: stray '\302' in program
   19 | <U+00A0><U+00A0>char s[100];
      | ^~~~~~~~
main.c:19:2: error: stray '\302' in program
   19 | <U+00A0><U+00A0>char s[100];
      |         ^~~~~~~~
main.c:20:1: error: stray '\302' in program
   20 | <U+00A0><U+00A0>while( scanf("%s", s)!=EOF){
      | ^~~~~~~~
main.c:20:2: error: stray '\302' in program
   20 | <U+00A0><U+00A0>while( scanf("%s", s)!=EOF){
      |         ^~~~~~~~
main.c:21:1: error: stray '\302' in program
   21 | <U+00A0><U+00A0><U+00A0><U+00A0>if(s[0] == '+'){
      | ^~~~~~~~
main.c:21:2: error: stray '\302' in program
   21 | <U+00A0><U+00A0><U+00A0><U+00A0>if(s[0] == '+'){
      |         ^~~~~~~~
main.c:21:3: error: stray '\302' in program
   21 | <U+00A0><U+00A0><U+00A0><U+00A0>if(s[0] == '+'){
      |                 ^~~~~~~~
main.c:21:4: error: stray '\302' in program
   21 | <U+00A0><U+00A0><U+00A0><U+00A0>if(s[0] == '+'){
      |                         ^~~~~~~~
main.c:22:1: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      | ^~~~~~~~
main.c:22:2: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      |         ^~~~~~~~
main.c:22:3: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      |                 ^~~~~~~~
main.c:22:4: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      |                         ^~~~~~~~
main.c:22:5: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      |                                 ^~~~~~~~
main.c:22:6: error: stray '\302' in program
   22 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l =pop();
      |                                         ^~~~~~~~
main.c:23:1: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      | ^~~~~~~~
main.c:23:2: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      |         ^~~~~~~~
main.c:23:3: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      |                 ^~~~~~~~
main.c:23:4: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      |                         ^~~~~~~~
main.c:23:5: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      |                                 ^~~~~~~~
main.c:23:6: error: stray '\302' in program
   23 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n =pop();
      |                                         ^~~~~~~~
main.c:24:1: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      | ^~~~~~~~
main.c:24:2: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      |         ^~~~~~~~
main.c:24:3: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      |                 ^~~~~~~~
main.c:24:4: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      |                         ^~~~~~~~
main.c:24:5: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      |                                 ^~~~~~~~
main.c:24:6: error: stray '\302' in program
   24 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l+n);
      |                                         ^~~~~~~~
main.c:25:1: error: stray '\302' in program
   25 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      | ^~~~~~~~
main.c:25:2: error: stray '\302' in program
   25 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |         ^~~~~~~~
main.c:25:3: error: stray '\302' in program
   25 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                 ^~~~~~~~
main.c:25:4: error: stray '\302' in program
   25 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                         ^~~~~~~~
main.c:26:1: error: stray '\302' in program
   26 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='-'){
      | ^~~~~~~~
main.c:26:2: error: stray '\302' in program
   26 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='-'){
      |         ^~~~~~~~
main.c:26:3: error: stray '\302' in program
   26 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='-'){
      |                 ^~~~~~~~
main.c:26:4: error: stray '\302' in program
   26 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='-'){
      |                         ^~~~~~~~
main.c:27:1: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      | ^~~~~~~~
main.c:27:2: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      |         ^~~~~~~~
main.c:27:3: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      |                 ^~~~~~~~
main.c:27:4: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      |                         ^~~~~~~~
main.c:27:5: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      |                                 ^~~~~~~~
main.c:27:6: error: stray '\302' in program
   27 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>n = pop();
      |                                         ^~~~~~~~
main.c:28:1: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      | ^~~~~~~~
main.c:28:2: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |         ^~~~~~~~
main.c:28:3: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                 ^~~~~~~~
main.c:28:4: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                         ^~~~~~~~
main.c:28:5: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                                 ^~~~~~~~
main.c:28:6: error: stray '\302' in program
   28 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                                         ^~~~~~~~
main.c:29:1: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      | ^~~~~~~~
main.c:29:2: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      |         ^~~~~~~~
main.c:29:3: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      |                 ^~~~~~~~
main.c:29:4: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      |                         ^~~~~~~~
main.c:29:5: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      |                                 ^~~~~~~~
main.c:29:6: error: stray '\302' in program
   29 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>push(l-n);
      |                                         ^~~~~~~~
main.c:30:1: error: stray '\302' in program
   30 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      | ^~~~~~~~
main.c:30:2: error: stray '\302' in program
   30 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |         ^~~~~~~~
main.c:30:3: error: stray '\302' in program
   30 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                 ^~~~~~~~
main.c:30:4: error: stray '\302' in program
   30 | <U+00A0><U+00A0><U+00A0><U+00A0>}
      |                         ^~~~~~~~
main.c:31:1: error: stray '\302' in program
   31 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='*'){
      | ^~~~~~~~
main.c:31:2: error: stray '\302' in program
   31 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='*'){
      |         ^~~~~~~~
main.c:31:3: error: stray '\302' in program
   31 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='*'){
      |                 ^~~~~~~~
main.c:31:4: error: stray '\302' in program
   31 | <U+00A0><U+00A0><U+00A0><U+00A0>else if(s[0]=='*'){
      |                         ^~~~~~~~
main.c:32:1: error: stray '\302' in program
   32 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      | ^~~~~~~~
main.c:32:2: error: stray '\302' in program
   32 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |         ^~~~~~~~
main.c:32:3: error: stray '\302' in program
   32 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                 ^~~~~~~~
main.c:32:4: error: stray '\302' in program
   32 | <U+00A0><U+00A0><U+00A0><U+00A0><U+00A0><U+00A0>l = pop();
      |                         ^~~~~~~~
main.c:32:5: error: stray '\302' in program
   32 | <U+00A0>