Go: package main

import (
	"fmt"
)

func main() {
	for i := 1; i < 10; i++ {
		for j := 1; j < 10; j++ {
			fmt.Printf("%dx%d=%d\n", i, j, i*j)
		}
	}
}

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>
#include<string>
#include<vector>
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;
    }
  }
}

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

C++: #include <bits/stdc++.h>
#define IN(a) scanf("%d",&a);
#define OUT(a) printf(a);
#define REPT(i,n) for (int i=1;i<=(n);i++)
#define REP(i,n) for (int i=0;i<(n);i++)
#define BR break;

using namespace std;

int main(){
	
	REPT(i,9)
	{
		REPT(j,9)
		{
			printf("%dx%d=%d\n",i,j,i*j);
		}
	}

	return 0;
 }

C++: #include<stdio.h>
char 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;}

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>

using namespace std;

int main(void)
{
	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) {
      cout << i << "x" << j << "=" << i*j << endl;
    }
  }
  return 0;
}

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;}

C++: #include<iostream>
int main(){
int a=1,b=1;
int c;
for(int i=0;i<9;i++){
for(int j=0;j<9;j++){
c=a*b;
cout<<a<<"x"<<b<<"="<<c<<endl;
b++;
}
A++;
}
}

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

int main(void){


for(int i=1;i<=9;i++){
 for(int j=1;j<=9;j++){
cout << ixj=i*j;
 }
return 0;
}


}

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;}

C++: #include <stdio.h>
#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>
#include <string>
#include <string.h>
#include <queue>
#include <map>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define MAX_N 105
int vx [4]= {1,0,-1,0};
int vy [4]= {0,1,0,-1};
long long  dp[MAX_N][4][4];//dp[date][today][yesterday]
int V[MAX_N],W[MAX_N];
int data[MAX_N],B[MAX_N];
int K ,N;
using namespace std;
void init(){
}
void solve(){
  init();
  FOR(i,1,10)FOR(x,1,10)cout<<i<<"??"<<x << '='<<i*x<<endl;

}
int main(){
    solve();
}

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)
			cout << i << 'x' << j << '=' << i*j << '\n';
	return 0;
}

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