Go: package main

import "fmt"
import "strconv"

func main() {
  for i := 1; i <= 9; i++ {
    for j := 1; j <= 9; j++ {
      res := i * j
      fmt.Println(
        strconv.Itoa(i) + "x" + strconv.Itoa(j) + "=" + strconv.Itoa(res)
      )
    }
  }
}

C++: #include <stdio.h>
#include <algorithm>
#include <stdlib.h>
#include <string.h>
#include <queue>
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rrep(i,n) for(int i = 1; i <= n; ++i)
using namespace std;
typedef pair<int,int> P;
const int INF = 1000000000;

int main(){
	rrep(i,9)rrep(j,9)printf("%dx%d=%d\n",i,j,i*j);
	return 0;
}

C++: #include<iostream>
using namespace std;
??
int main()
{
????????for(int i = 1 ; i <= 9 ; i++){
????????????????for(int j = 1 ; j <= 9 ; j++){
????????????????????????printf("%dx%d=%d\n",i,j,i*j);
????????????????}
????????}
????????return 0;
}

C++: - submit, private

C++: #include<iostream>

int main()
{
	for(int i=1;i<10;++i)
	{
		for(int j=1;j<10;++j)
		{
			std::cout << i << 'x' << j << '=' << i*j << '\n';
		}
	}
}

C++: #include<stdio.h>

int main() {

	int i = 0, j = 0;

	for(i = 1; i <= 9; i++) {
		for(j = 1; j <= 9; j++) {
			printf("%dx%d=%d\n", i, j, i*j);
		}
	}

	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <bitset>
#include <set>
#include <queue>

#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,b,n) for(int i=b;i<n;i++)

const float PI = 3.1415926;
static const int INFTY = (1<<30);

using namespace std;

typedef long long ll;
typedef long double ld;

int main() {
  rep(i,10)
    rep(j,10)
    cout << i<<'x'<<j<<'='<<i*j<<endl;
  return 0;
}

C++: #include <iostream>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;


int main() {
	for (int i = 1; i <= 9; i++) {
		for (int j = 1; j <= 9; j++) {
			cout << i << "x" << j << "=" << i * j << endl;
		}
	}
}

C++: #include <iostream>
using namespace std;

int main(){
	
for(int i = 1;i <= 9;i++){
for(int j = 1;j <= 9;j++){
	cout << i << "x" << j << "=" << i*j << endl;
}
}
}

C++: #include<iostream>
using namespace std;
int i;
int I;
int main(){
     for(i=1;i<=10;i++){
        for(I=1;I<=10;I++){
          cout<<i<<'x'<<I<<'='<<i*I;
         }
      }
    return 0;
}

C++: #include<iostream>
using namespace std;

int main(){

for (int i =1; i < 10; i++){
 for (int i2 = 1; i2 < 10; i2++){
  
 cout << i << "x" << i2 << "=" << i * i2 << endl;
 }
}
    return 0;
}

C++: #include<iostream>
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rep(i,a) loop(i,1,a)
using namespace std;
int main(){
  rep(i,10)
    rep(j,10)
	  cout<<i<<"x"<<j<<"="<<i*j<<endl;
}

C++: #include<iostream>

int main(){
	int a,b;
	for(a=1;a<=9;a++){
		for(b=1;b<=9;b++){
			std::cout<<a<<"x"<<b<<"="<<a*b<<std::endl;
			}
		}
	sys
    return 0;
}

C++: #include<iostream>
using namespace std;

int main() {
  int x, y;
  for(x = 1; x < 10; x++) {
    for(y = 1; y < 10; y++) {
      cout << x << "x" << y << "=" << x*y << endl;
    }
  }
  return 0;
}

C++: #include <iostream>
using namespace std;
int main()
{
	int i,j;
	for(i=1;i<=9;i++)
	{
		for(j=1;j<=9;j++)
		{
			cout<<i<<"x"<<j<<"="<<i*j<<endl;
		}
	}
	return 0;
}

C++: #include "iostream"

using namespace std;

int return_multiple(int i, int j){
    return i * j;
}

int main(){
    for(int i=1; i<=9; i++){
        for(int j=1; j<=9; j++){
            int k = return_multiple(i, j);
            printf("%dx%d=%d\n", i, j, k);
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
	for (int i = 1; i <=9; ++i) {
		for (int j = 1; j <= 9; ++j) {
			cout << i << "x" << j << "=" << i*j << endl;
		}
	}
	return 0;
}

C++: #include<stdio>
main(){for(int i=1;i<=9;i++)for(int j=1;j<=9;j++)printf("%dx%d=%d\n",i,j,i*j);}

C++: #include <iostream>
using namespace std;

int main()
{
    for(int i = 1; i < 10; ++i)
        for (int j = 1; j < 10; ++j)
            cout << i << '+' << j << '=' << i*j << endl;
}

C++: #include <bits/stdc++.h>
#include <memory>
using namespace std;

class C {
	int a[32][32];
};

class D {
public: 
	D() : a(28, std::vector<int>(28)){}
private:
	std::vector<std::vector<int>> a;
};

int main()
{
	C *p = new C[10000];
	p[9999][31][31] = 1;
	// D *q = new D[10000];
	// q[9999][27][27] = 1;
}

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
  for(int i=1;i<=9;i++){
    for(int I=1;I<=9;I++){
      cout<<i<<'x'<<I<<endl;
    }
  }

  return 0;
  
}

C++: #include <cstdio>

int main(void){
  int i,j;
  for(i=1;i<10;i++){
    for(j=1;j<10;j++){
      printf("%dx%d=%d\n",i,j,i*j);
    }
  }
  return 0;
}

C++: 
#include <iostream>
#include <iomanip>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <map>
#define pi 3.14159265358979323846264338
using namespace std;

int main() {
	for (int i = 1; i <= 9; ++i) {
		for (int j = 1; j <= 9; ++j) {
			cout << i << "x" << j << "=" << i*j;
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(){
  int i,j;
  for(i=1;i<=9;i++){
    for(j=1;j<=9;j++){
      printf("%dx%d=%d\n",i,j,i*j);
    }
  }
  return 0;
}

C++: #include <iostream>
#include <cstdio>
using namespace std;

int main() {
    for (int i=1; i<=9; i++) {
        for (int j=1; j<=9; j++) {
            printf("%dx%d=%d\n",i,j,i*j);
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;

// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0000

int main() {
	for (int i = 1; i <= 9; i++)
		for (int j = 1; j <= 9; j++)
			cout << i << "x" << j << "=" << i * j << endl;
	return 0;
}

C++: #include <iostream>
using namespace std;

int main() {
cout << "hoge" << endl;
	return 0;
}

C++: #include <iostream>
using namespace std;

int main(){
    for (int i = 1; i < 10; i++)
	for (int j = 1; j < 10; j++)
	    cout << i << "x" << j << "=" << i*j << endl;
    return 0;
}

C++: #include<iostream>
using namespace std;
 
int main(){
	for(int i=0; i<9; ++i) {
		int x; int y; int z;
		x = i+1; y = i+1;
		z = x * y;
		cout << x << " x " << y << " = " << z << endl;
	}
    return 0;
}

C++: #include <iostream>
 
int main() {
        for( int i=1; i<10; ++i )
                for( int j=1; j<10; ++j )
                        std::cout << i << "x" << j << "=" << i*j << std::endl;
}

C++: #include<cstdio>
#include<string>
#include<iostream>
#include<algorithm>
#define _USE_MATH_DEFINES
#include<math.h>
#include<queue>
#include<set>
#include<vector>
#define INF 100000000

#define MAX_N 100

typedef long long int ll;
using namespace std;


int main(){

	for(int i = 1; i <= 9; i++){
		for(int j = 1; j <= 9; j++){
			printf("%dx%d=%d\n", i, j, i*j);
		}
	}

	return 0;

}

C++: #include<iostream>

int main(){
        int a,b;
        
        for(a=1;a<10;a++){
           for(b=1;b<10;b++){
              std::cout<<a<<"x"<<b<<"="<<a*b<<std::endl;
                         
                         }
                      }
   
        return 0;
}

C++: import java.io.IOException;
public class Main {
    public static void main (String[] a) throws IOException {

        for (int i = 1; i < 10; i++){
            for(int j=1;j < 10;j++){
                System.out.println(i+"x"+j+"="+(i*j));
            }
        }
    }
}