Go: package main

import "fmt"


func main() {
	for i := 1; i <= 9; i++ {
		for i2 := 1; i2 <= 9; i2++ {
			fmt.Printf("%d ?? %d = %d\n", i, i2, i*i2)
		}
	}
}

C++: #include <stdio.h>
 

int main()
{ 
	int i,j;
	char s,t;
	s='x';
	t='=';
	for(i=1;i<=9;i++)
	{
		for(j=1;j<=9;j++)
		{
		printf("%d%c%d%c%d\n",i,s,j,t,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<<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 << 'x' << j << '=' << i * j << endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(void)
{
	int a,b,c,;
	scanf("%d %d",&a,&b);
	c=axb;
	printf("%d\n",c);
	return 0;
}

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

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

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

char s[1234 << 20];

int main(){
	memset(s, 0, sizeof s);
	puts("hoge");
}

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

int main() {
	for (int a=0,a<9,a=a+1){
		for(int b=0,b<9,b=b+1){
			cout<<a+1<<"??"<<b+1<<"="<<(a+1)*(b+1)<<endl;
		}
	}
}

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>
#include<cstdio>
#include<cmath>
#include<cstring>
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 <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0; i<(n); i++)
#define FOR(i,x,n) for(int i=x; i<(n); i++)
#define ALL(n) begin(n),end(n)
 
typedef long long ll;
typedef unsigned int ui;
typedef unsigned long long ull;
template <class T>
void print(T& x){printf("%d\n", x);}
 
int main()
{
    FOR(i, 1, 10){
        FOR(j, 1, 10){
            printf("%dx%d=%d\n", i, j ,i*j);
        }
    }
    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++: //
//  volume0-0.cpp
//  
//
//  Created by anthony on 2014/11/19.
//
//

#include <iostream>


using namespace std;

int main(){
    
    for (int m = 1; m <= 9; m++) {
        for (int n = 1; n <= 9; n++) {
            int result;
            
            result = n * m;
            cout << m << "x" << n << "=" << result << 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;
	}
}

C++: #include<stdio.h>

int main()
{
	int n;
	int a[125],b[125];
	scanf("%d", &n);
	for(int i=0;i<n;i++){
		do{
			scanf("%d %d",&a[i],&b[i]);
		}while(a[i]&&b[i]<=0 || a[i]&&b[i]>10);
	}
	for(int i=0;i<n;i++){
		printf("Case %d : %d\n", i+1,a[i]+b[i]);
	}
	getchar();
	return 0;
}

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

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

C++: #include <stdio.h>
int main(void){
    for(int i=1;i==9;i++){
        for(int j=1;i==10;i++){
            printf("%dx%d=%d",i,j,i*j);
        }
    }
return 0;
}

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

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

C++: ????????????????????????????????????

C++: #include <iostream>
#include <cstdio>
 
int main(){
 
for(int i = 1 ; i < 10; i++){
fo(int j = 1; j < 10; j++){
printf("%dx%d=%d?\b", 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<<"x"<<j<<"="<<i*j<<endl;
    return 0;
}

C++: #include <bits/stdc++.h>
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define REP(i, n) FOR(i, 0, n)
using namespace std;
typedef vector<int> vi;

int main(){
    FOR(i, 1, 10) cout << i << "x" << i << "=" << i*i << 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++: m;main(n){for(;n<=9;m%=9,m||n++)printf("%dx%d=%d\n",n,m,n*++m);}

C++: #include<stdio.h>
int main(void){
 int x,i;
 for(x=1;x<10;++x){
	 for(i=1;i<10;++i){
        printf("%dx%d=%d\n",x,i,x*i);
	 }
 }
 return 0;
}

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