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++: /***********************************************/
/* 2014.06.28 S_Nakka                          */
/*              0000：九九計算                 */
/* take1:新規作成                              */
/***********************************************/

#include<stdio.h>

int main(){

	int multiply1;
	int multiply2;

	for(multiply1 = 1; multiply1 <= 9; multiply1++)
	{
		for(multiply2 = 1; multiply2 <= 9; multiply2++)
		{
			printf("%dx%d=%d\n", multiply1, multiply2, 
				multiply1*multiply2);
		}
	}
    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() {
    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(void)
{

	int i,j;

	for(i = 1; i <= 9; i++, printf("\n"))
		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(int i=1;i<=10;i++){
		for(int j=1;j<=10;j++){
			cout<<j<<" x "<<i<<" = "<<j*i<< "  ";
		}
	}
	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++)
        {
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
        }
    }
    return 0;
}

C++: int main() {
	int a, b;
	for (a = 1; a <= 9; a++) {
		for (b = 1; b <= 9;b++) {
			cout << a << "x" << b << "=" << a*b << "\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 << '\n';
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;
int main()
{
    int a,b;
    for(a=1;a<10;a++)
    {
        for(b=1;b<10;b++)
        {
            cout<<a<<"x"<<b<<"="<<a*b<<endl;
        }
    }
    return 0;

}

C++: #include <iostream>

using namespace std;

int main(){
    int a;
    for(int i=1;i<=9;i++){
        for(int j=1;j<=9;j++){
            a=i*j;
            cout<<i<<"x"<<j<<"="<<a<<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 << '\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<<"??"<<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 << '/n' << std::flush;
		}
	}

    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 << "x" << j << "=" << i * j << endl;
  return 0;  
}

C++: /*
C++ ???????????????????????????????????¬??????
??????AOJ-ITP1??????????????????
*/
#define _USE_MATH_DEFINES

#include <iostream> // ?¨??????\??????
#include <fstream>  // ??????????????\??????
#include <string>   // ???????????¢???
#include <vector>   // ???????????????
#include <cmath>    // ??°??????
#include <iomanip>  // stream???????????¢???
#include <algorithm>// max??¢??°??????

using std::cin;
using std::cout;
using std::endl;
using std::string;
using std::vector;        // ????´???°????????????????????????
using std::fixed;         // ???????????????????¨???????????????????????????????
using std::setprecision;  // ?????°????°???°?????\???????????°????????????????????¨????????\???

int main() {
	int row = 9;	// ???
	int col = 9;	// ???
	for (size_t i = 1; i <= row; i++)
	{
		for (size_t j = 1; j <= col; 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 << "*" << 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.print( i*j + " ");
    		}
    		System.out.println(" ");
    	}
    	
    	
    }
}

C++: #include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<string>
#include<vector>
#include<queue>
#include<stack>
#include<cmath>
#include<map>
#include<list>
#include<set>
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 <bits/stdc++.h>
using namespace std;

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>

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++: void tran( double ax ,double ay ,double az ,double x ,double y ,double z ,double xt ,double yt ,double zt ){
    double sinx ,siny ,sinz ,cosx ,cosy ,cosz ;
    xt = x * ( cosy * cosz - sinx * siny * sinz ) 
       - y * cosx * sinz 
       + z * ( siny * cosz + sinx * cosy * sinz ) ;
    yt = x * ( cosy * sinz + sinx * siny * cosz )
       + y * cosx * cosz
       + z * ( siny * sinz - sinx * cosy * cosz ) ;
    zt = x * ( -cosx * siny )
       + y * sinx 
       + z * cosx * cosy ;
    return ;
}

C++: - submit, private

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