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>
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>
using namespace std;

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

C++: #include <iostream>
#include <cstdio>
#include <iomanip>
#include <algorithm>
#include <cmath>
using namespace std;
const int M = 100000;
const double pi = 3.141592653589;

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

C++: #include<iostream>

int main(){
	int i,j;
		
	for(i=1;i<=9;i++)
	for(j=1;j<=9;j++)
	std::cout << i << "*" << j 
			  << "=" << i*j << "\n" ;
	
	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;
    }
  }
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#include <algorithm>
#include <map>

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.h>
int main()
{
	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()
{
	for (int i=1;i<=9;i += 1)
	{
		for (int j=1;j<=9;j += 1)
		{
			cout << i << 'x' << j << '=' << i*j << endl;
		}
	}
}

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);
    }
}

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 <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 * i, j, i * j );
		}
	}
	return 0;
}

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.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;
          }
      }  
}

C++: //include----------------------------------------------------------------------------------------------------------------------
#include <bits/stdc++.h>

//using namespace--------------------------------------------------------------------------------------------------------------
using namespace std;

//define-----------------------------------------------------------------------------------------------------------------------
#define rep(i, n) for(int i = 0; i < n; i++)
#define FOR(i, s, n) for(int i = s; i < n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << endl
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define FOREACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define INF 1 << 25
#define CLR(a) memset((a), 0 ,sizeof(a))
#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#define sq(n) (n) * (n)

//typedef----------------------------------------------------------------------------------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef unsigned int uint;
typedef unsigned long long ull;

//const------------------------------------------------------------------------------------------------------------------------
const double EPS = 1e-10;
const double PI = acos( -1.0 );

//global-----------------------------------------------------------------------------------------------------------------------

//function---------------------------------------------------------------------------------------------------------------------
int main() {
    FOR(i, 1, 10){
        FOR(j, 1, 10){
            printf("%dx%d=%d\n", i, j, i * j);
        }
    }
    return 0;
}

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

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

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

using namespace std;

int main(int argc, char *argv[])
{
   for(int i = 1; i<=9;++i)
   {
   		for(int j = 1; j<= 9;++j)
     		cout<<i<<"x"<<j<<endl;   
   }
  //system("PAUSE");	
  return 0;
}

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

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