Go: package main

import "fmt"

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

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++: #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>
#include<string>
#include<vector>
#include<cstdio>
#include<algorithm>
using namespace std;

int main() {
	for (int a = 1; a < 10; a++) {
		for (int b = 1; b < 10; b++) {
			printf("%dx%d=%d\n", a, b, a*b);
		}
	}
}

C++: #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 <stdio.h>

int main(void){
  int i,j;
  for ( i=1; i<10; i++){
    for( j=1; j<10; j++){
      printf("%d×%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 t=1;t<10;t++)
      {
          cout<<i<<"x"<<t<<"="<<i*t<<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 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(void)
{
    int i = 1;
    int j = 1;
    
    for(i ; i <= 9 ; i++)
    {
        for(j ; j <= 9; j++)
        {
            printf("%d X %d = %2d \n",i,j,i*j);
        }
        printf("\n");
    }
    
     return 0;
}

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

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

C++: i;main(){for(;i<82;i++){printf("%dx%d=%d\n",i/10+1,i/9,i);}

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

int main(){

	int f, s;
	for (f = 1; f<10; f++){
		for (s = 1; s<10; s++){
			cout << f << "x" << s << "=" << f*s << endl;
		}
	}
	return 0;
}

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<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++: 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+"="+j*j);
        }
      }
    }
}

C++: piyo

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);
}
}

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++)printf("%dx%d=%d\n",i,j,i*j);
    return 0;
}

C++: while( cin >> a >> b )

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;

int main()
{
        for(int i=1; i<10; i++){
                for(int j=1; j<10; j++){
                        cout << i << "x" << 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>
int main(){for(int y=1;y<=9;y++){for(int x=1;x<=9;x++){std::cout<<y<<'x'<<x<<'='<<x*y<<std::endl;}}return 0;}

C++: #include <iostream>
#include <fstream>
#include <cstdio>
#include <cassert>
#include <complex>
#include <cmath>
#include <algorithm>
#include <vector>
#include <string>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <numeric>
#include <sstream>
#include <ctime>
#include <cctype>
#include <set>
#include <map>
#include <queue>
#include <bitset>
#include <deque>
#include <stack>
#include <memory.h>
using namespace std;
#define ll long long 
int main()
{
	cout<<"1x1=1"<<endl<<"1x2=2"<<endl<<"."<<endl<<"."<<endl<<"9x8=72"<<endl<<"9x9=81";
    return 0;
}

C++: #include <bits/stdc++.h>
#define rep(i,l,n) for(int i=l;i<n;i++)
#define rer(i,l,n) for(int i=l;i<=n;i++)
#define all(a) a.begin(),a.end()
#define o(a) cout<<a<<endl
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef vector<int> vint;
typedef pair<int,int> pii;

int main(){
	rep(i,1,10){
		rep(j,1,10){
			cout<<i<<'x'<<j<<'='<<i*j<<endl;
		}
	}
	
}

C++: #include <iostream>

static const int MaxNum = 9;
static void print_qq()
{
    for (int i = 1; i <= MaxNum; ++i) {
        for (int j = 1; j <= MaxNum; ++j) {
            std::cout << i << "x" << j << "=" << i * j << std::endl;
        }
    }
}

int main()
{
    print_qq();
}

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 <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;
        }
    }

	getchar();
	return 0;
}

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

int main(void) {

	for (int i = 1; i <10; i++) {
		for (int j = 1; j <10; j++) {
			cout << to_string(i) + "x" + to_string(j) + "=" + to_string(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;
}