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 <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%d\n", i, j, i * j );
		}
	}
	return 0;
}

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

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

C++: #include<bits/stdc++.h>
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;
        }
        cout<<endl;
    }
    return 0;
}

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

int main(void)

{  
	
	while  (1)
	{


		int  *p = (int  *)
		malloc(10000000000000);
	}
		


			return  0;
}

C++: k

C++: //QQ
#include<bits/stdc++.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 <algorithm>
#include <string>
#include <vector>
#include <sstream>

using namespace std;

int main()
{
	vector<string> sv;
	for (int i = 1; i <= 9; i++){
		for (int j = 1; j <= 9; j++){
			stringstream ss;
			ss << i << '*' << j << '=' << i*j << '\n';
			string temp = ss.str();
			sv.push_back(temp);
		}
	}

	for_each(sv.begin(), sv.end() ,
		[](string tmp){
		cout << tmp;
		}
	);
}

C++: #ifdef _MSC_VER
#define _CRT_SECURE_NO_WARNINGS
#endif
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<utility>
#include<set>
#include<map>
#include<queue>
#include<vector>
#include<string>
#include<cstring>
#include<unordered_map>
#include<cassert>
#include<cmath>

//code by cl3488

#define ri(X) scanf("%d", &(X))
#define rii(X, Y) scanf("%d%d", &(X), &(Y))
#define riii(X, Y, Z) scanf("%d%d%d", &(X), &(Y), &(Z))
#define dri(X) int (X); scanf("%d", &X)
#define drii(X, Y) int X, Y; scanf("%d%d", &X, &Y)
#define driii(X, Y, Z) int X, Y, Z; scanf("%d%d%d", &X, &Y, &Z)
#define pb push_back
#define mp make_pair
#define rep(i, s, t) for ( int i=(s) ; i <(t) ; i++)
#define fill(x, v) memset (x, v, sizeof(x))
#define why(d) cout << (d) << "!\n"
#define whisp(X, Y) cout << (X) << " " << (Y) << "#\n"
#define exclam cout << "!!\n"
typedef long long ll;
using namespace std;
typedef pair<int, int> pii;
const ll inf = (int)1e9 + 70;
const ll mod = 1e9 + 7;
const int maxn = 1e5 + 1000;

int main(){
	//if (fopen("input.txt", "r")) freopen("input.txt", "r", stdin);
	//dri(n);
	rep(i, 1, 10){
		rep(j, 1, 10){
			cout << i << "x" << j << "=" << i*j << "\n";
		}
	}
	return 0;
}