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<iostream>
#include<iomanip>
using namespace std;
int main()
{
	int a,b,i=1,n;
	cout<<"九九乘法表"<<endl;
		for(a=1;a<=9;a++)
		{
			for(b=1;b<=9;b++)
			{
				n=a*b;
				cout<<setiosflags(ios::fixed)<<setw(2)<<a<<"*"<<b<<"="<<n;
				i=i+1;
				if(i%1==0) cout<<endl;
			}
		
			
		}
		 
		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<stdio.h>

int main()
{
	int i,ii,ru=0,rare=0;

	for(i=1;i<10;i++){
		rare++;
		for(ii=1;ii<10;ii++){
			ru++;
			printf("%dx%d=%d\n",rare,ru,rare*ru);
		}
		ru=0;
	}
	return 0;
}

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

int main(void)
{
    int i,j;
    
    for(i = 1; i <= 9 ; i++)
    {
        for(j = 1 ; j <= 9; j++)
        {
            printf("%dx%d=%2d\n",i,j,i*j);
        }
    }
     return 0;
}

C++: #include <stdio.h>

int main(){
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>
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;
}

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

// ????????????WA???????????????????????????????????§???
auto dodo() {
  for(auto i=0; i<9; i++)
    cout << i+1 << 'x' << i+1 << '=' << (i+1)*(i+1) << endl;
}

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

C++: //AOJ 0000
//include
#include<cstdio>
#include<cctype>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<stack>
#include<queue>
#include<deque>
#include<vector>
#include<list>
#include<bitset>
#include<set>
#include<iostream>
 
//using namespace
using namespace std;
 
//define
 
//variable
short a, b;
 
//function
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;
}

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;

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

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<stdio.h>

    int main(void){
    
            int x,y,z;
    
            for(x=1;x<=9;x++){
                    
                        for(y=1;y<=9;y++){
                                        
                            z=x*y;
                            printf("%d??%d=%d" " ",x,y,z);

                                        }
                 printf("\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;
    }
  }
  return 0;
}

C++: #include <iostream>

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

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

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

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

	return 0;
}

C++: #include <iostream>

using namespace std;

int main(void) {
	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++: #include <cstdio>
#include <cstdlib>
#include <set>
#include <map>
#include <cmath>
#include <queue>
#include <stack>
#include <vector>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <string>
#define sqr(x) ((x)*(x))
#define X first
#define Y second
using namespace std;
int a[3000002];
map<char,int> ma;
int main()
{
    int k,i,j;
    #ifndef ONLINE_JUDGE
    freopen("in.txt","r",stdin);
    #endif
    for(i=1;i<=3000000;i++)a[i]=i;
    return 0;
}

C++: #include <iostream>

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

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

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