Go: // 九九を出すだけ
package main
import (
	"fmt"
	"os"
	"bufio"
)
var out = bufio.NewWriter(os.Stdout)

func main(){
	defer out.Flush()
	for i:=1; i<10; i++{
		for j:=1; j<10; j++{
			fmt.Fprintf(out, "%dx%d=%d\n", i, j, i*j)
		}
	}
}

C++: #include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<cmath>
#include<stdio.h>
#include<queue>
#include <climits>
#include <map>
#include <set>
const int mod = 1e9 + 7;
const int INF = 1 << 20;
using namespace std;
typedef long long ll;
typedef pair<int,int> P;

int main()
{
    for(int i = 1; i < 10; i++){
        for(int j = 1; j < 10; 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;
    }
  }
  return 0;
}

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

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

C++: #include<stdio.h>

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

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

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<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<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;
		}
	}

	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 = 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()
{
    int a;
    for(int i=1;i<10;i++){
    for(int j=1;j<10;j++){
    a=i*j;
    cout<<i<<'x'<<j<<'='<<a<<'\n';
    }
    }
    return 0;
}

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

int main()
{
 int x,y;
 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<bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(){
    
    ios_base::sync_with_stdio(0);
    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 <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define dump(x) cout << #x << " = " << (x) << "\n";
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n";
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> P;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1152921504606846976;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };


int main() {
#ifdef _DEBUG
	printf( "debug\n" );
#endif
	for ( int i = 1; i < 10; i++ ) {
		for ( int j = 1; j < 10; j++ ) {
			printf( "%dx%d=%d\n", i, j, i +j );
		}
	}
	return 0;
}

C++: 

#include <iostream>

using namespace std;

int main(int argc, const char * argv[])
{

    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>

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;
	return 0;
}

C++: #include <iostream>
#include <stdio.h>

int i = 1;

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

C++: #include <iostream>

int main(int argc, char *argv[]) {
	int m, n;
	for (m = 1; m <= 9; ++m) {
		for (n = 1; n <= 9; ++n) {
			std::cout << m << 'x' << n << '=' << (m * n) << std::endl;
		}
	}
	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 << "\n";
    }
  }
  return 0;
}

C++: i, j;main(){for(;i++<9;)for(j=1;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++)
      cout << i << 'x' << j << '=' << i*j << endl;
  return 0;
}

C++: null

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

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++: class Main{
    public static void main(String[] a){
         for(int i =1; i<10; i++){
             for(int j=1; j<10; j++){
                  System.out.println(i+"x"+j+"="+(i*j));
             }
         }
         
    }
}

C++: class Main{
    public static void main(String[] a){
        for(int i=1;i<=9;i++){
             for(int j=1;j<=9;j++){
    		System.out.println(i + "x" + j + "=" + (i*j)+ \\n);
    	     }
    	}
    }
}

C++: #include <stdio.h>

using namespace std;


int main(){

	for(int i=1;i<=9;i++){
		for(int k=1;k<=9;k++)printf("%dx%d=%d\n",i,k,i*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++: //============================================================================
// Name        : Manji.cpp
// Author      :
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <stdio.h>
#include <string>
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;

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