Go: package main

import "fmt"

func main() {
    sayHello()
}

func sayHello() {
    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 ???=1;???<=9;???++)
for(int ???=1;???<=9;???++)printf("%dx%d=%d\n",???,???,???*???);
}

C++: #include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <iomanip>
#include <cassert>
using namespace std;

#define GET_ARG(a,b,c,F,...) F
#define REP3(i,s,e) for (i = s; i <= e; i++)
#define REP2(i,n) REP3 (i,0,(int)(n)-1)
#define REP(...) GET_ARG (__VA_ARGS__,REP3,REP2) (__VA_ARGS__)
#define RREP3(i,s,e) for (i = s; i >= e; i--)
#define RREP2(i,n) RREP3 (i,(int)(n)-1,0)
#define RREP(...) GET_ARG (__VA_ARGS__,RREP3,RREP2) (__VA_ARGS__)
#define DEBUG(x) cerr << #x ": " << x << endl

typedef long long ll;

constexpr int INF = 1e8;
constexpr int MOD = 1e9+7;

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

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<bits/stdc++.h>
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>

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

using namespace std;

int main()
{
  loop ( i, 10 )
    loop ( j, 10 )
    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 (size_t j = 1; j <= 9; j++)
		{
			int ans = i * j;
			cout << i << "x" << j << "=" << ans << endl;
		}
	}
    return 0;
}

C++: 
#include<stdio.h>

int  main()
{
  int a,b,i,n;

  for(i=1;i<=9;i++)
  {

    for(n=1;n<=9;n++)
    {

      printf("%dx%d=%d\n",i,n,
i*n);
    }

  }

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

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

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    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<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 << '\n';
		}
	}
	return 0;
}

C++: #include <iostream>
#include <queue>
#include <vector>
#include <set>
#include <algorithm>
#include <stdio.h>
#define int long long
inline int in() { int32_t x; scanf("%d", &x); return x ;}
using namespace std;
const int INF = 1e18;
const int MAX_N = 1e5 + 5;
int32_t main()
{
    for (int i = 1 ; i <= 9 ; i ++)
    {
        for (int x = 1 ; x <= 9 ; x ++)
        {
//            printf("%d*%d=%d",i,x,i*x);
            cout << i << "x" << x << "=" << i * x;
            cout << 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 << "=" <<i*j<< "\n";
    }
}
    cout << endl;
    return 0;
}

C++: #include<stdio.h>
int main(){int i,x,y;for(i=0;i<81;i++){x=i/9+1;y=i%9+1;printf("%dx%d=%d\n",x,y,x*y);}returnツ　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 <string>
#include <algorithm>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <memory>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <utility>
#include <vector>


using namespace std;

int main(void) {
	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;
}