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 <string>
#include <iostream>

int main()
{
	using namespace std;

	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>
using namespace std;

int main()
{
    for(long long int i=1;i<=9;i++)
    {
        for(long long int j=1;j<=9;j++)
        {
            if(i==1&&j<=2) cout<<i<<"X"<<j<<"="<<i*j<<endl;
            else if(i==9&&j==7)cout<<"."<<endl<<"."<<endl;
            else if(i==9&&(j==8||j==9)) cout<<i<<"X"<<j<<"="<<i*j<<endl;
        }

    }
    return 0;
}

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

typedef long long int ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int INF = 1000000000;
const ll LINF = (ll) 4000000000000000000;
const ll MOD = (ll) 1000000007;
const double PI = acos(1.0);
const int limit = 100010;

#define REP(i,m,n) for(ll i = m; i < (ll)(n); i++)
#define rep(i,n) REP(i, 0, n)
#define MP make_pair
#define YES(n) cout << ((n) ? "YES" : "NO") << endl
#define Yes(n) cout << ((n) ? "Yes" : "No") << endl
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << endl
#define NP(v) next_permutation(v.begin(),v.end())
#define smaller_queue  priority_queue <ll, vector<ll>, greater<ll> >
//------------------------------------------------------

int main() {

    REP(i, 1, 10) REP(j, 1, 10) {
        printf("%dx%d=%d\n", i, j, i * j);
    }

    return 0;
}

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

int main(){
  int n=9;

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

C++: #include <iostream>
using namespace std;
int main(int argc, const char * argv[]) {
    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>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <cmath>
using namespace std;
typedef vector<int> VI;
#define REP( i, m, n ) for ( int i = (int)( m ); i < (int)( n ); ++i )

int main() {
    REP(i, 0, 10) {
        REP(j, 0, 10) {
            cout << i << "*" << j << "=" << i * j << endl;
        }
    }
        
    return 0;
}

C++: #include <bits/stdc++.h>
#define cinf(n,x) for(int i=0;i<(n);i++) cin >> x[i];
typedef long long int ll;
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<=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;
#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 <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 m = 1; m < 10; m++) {
    cout << i << "x" << m << "=" << i * m << endl;
  }
}
return 0;
}

C++: //
//  main.cpp
//  AOJ_V0_0000
//
//  Created by anzai on 2015/08/06.
//  Copyright (c) 2015??´ anzai. All rights reserved.
//

#include<iostream>
using namespace std;

int main(){
    
    int i;
    int j;
    int k;
    
    for (i = 1; i < 10; i++ ){
        for (j = 1; j < 10; j++){
            k = i*j;
            cout << i << "x" << j << "=" << k << 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 <= 9; ++ i ) {
        for ( int j = 1; j <= 9; ++ j ) {
            cout << i << "x" << j << "=" << i * j << endl;
        }
    }
	return 0;
}