Go: package main

import (
	"fmt"
	"strconv"
)

func main() {
	for _, leftValue := range MultiplicationTableNum(9) {
		for _, rightValue := range MultiplicationTableNum(9) {
			strLeftVal, strRightVal, strMulti := strconv.Itoa(leftValue), strconv.Itoa(rightValue), strconv.Itoa(Multiplication(leftValue, rightValue))
			fmt.Println(strLeftVal + "x" + strRightVal + "=" + strMulti)
		}
	}
}

func MultiplicationTableNum(num int) []int {
	multiNum := []int{}
	for i := 1; i <= num; i++ {
		multiNum = append(multiNum, i)
	}
	return multiNum
}

func Multiplication(x, y int) int {
	return x * y
}

C++: #include <cstdio>
#include <algorithm>
#include <iostream>
#include <cstring>
#define N 1111111
int d[12][12][12][12][12];
void suan(int i, int j, int k, int l, int q){
    d[i][j][k][l][q] = 0;
    for (int p = i - 1; p >= 0; p -- )
        if (!d[p][j][k][l][q]) d[i][j][k][l][q] = 1;
    for (int p = j - 1; p >= i ? i + 1 : 0; p -- )
        if (!d[i][p][k][l][q]) d[i][j][k][l][q] = 1;
    for (int p = k - 1; p >= j ? j + 1 : 0; p -- )
        if (!d[i][j][p][l][q]) d[i][j][k][l][q] = 1;
    for (int p = l - 1; p >= k ? k + 1 : 0; p -- )
        if (!d[i][j][k][p][q]) d[i][j][k][l][q] = 1;
    for (int p = q - 1; p >= l ? l + 1 : 0; p -- )
        if (!d[i][j][k][l][p]) d[i][j][k][l][q] = 1;

}
int main(){freopen("t.in","r",stdin);freopen("t.out","w",stdout);
    memset(d, 255, sizeof d);
    int n = 12;
    for (int i = 0; i <= n; i ++ )
        for (int j = i; j <= n; j ++ )
            for (int k = j; k <= n; k ++ )
                for (int l = k; l <= n; l ++ )
                    for (int q = l; q <= n; q ++ ){
                        if (i == j && i) continue;
                        if (k == j && k) continue;
                        if (k == l && l) continue;
                        if (l == q && q) continue;
                        suan(i,j,k,l,q);
                        printf("%3d %3d %3d %3d %3d:%d %d\n",i,j,k,l,q,d[i][j][k][l][q],i^(j-j)^(k-j)^(l-l)^(q-l));
                    }
}

C++: #include<stdio.h>
int main()
{
    int i,j;

    for(i=1;i<10;i++)
    {
        for(j=1;j<10;j++)
        {
            printf("%d x %d = %d\n",i,j,i*j);
        }
    }

    return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>

using namespace std;

const int N = 1111;
int dp[N][N], pos[N], n;
char origin[N], s[N];

int main () {
    int cas = 1, K;
    while(scanf("%d", &K)!=EOF) {
        getchar(); gets(origin);
        n = 0;
        for(int i=0;origin[i];++i) if(isalpha(origin[i])) {
            s[n] = origin[i]; pos[n] = i;
            if(s[n]<='Z'&&s[n]>='A') s[n] += 'a' - 'A';
            n ++;
        }
        s[n] = 0;
        for(int i=0;i<n;++i) dp[i][i] = 0;
        for(int i=0;i<n;++i) dp[i][i+1] = s[i]!=s[i+1];
        for(int l=2;l<n;++l) for(int i=0;i+l<n;++i) {
            dp[i][i+l] = dp[i+1][i+l-1] + (s[i] != s[i+l]);
        }
        int _max = 0;
        for(int i=0;i<n;++i) for(int j=i;j<n;++j) if(dp[i][j]<=K) {
            _max = max(_max, pos[j]-pos[i]+1);
        }
        bool ok = 1;
        for(int i=0;i<n&&ok;++i) for(int j=i;j<n&&ok;++j) if(dp[i][j]<=K&&pos[j]-pos[i]+1==_max) {
            ok = 0;
            printf("Case %d: %d %d\n", cas++, _max, pos[i]+1);
        }
    }
    return 0;
}

C++: #include<stdio.h>

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

C++: #include<stdio.h>

int main(){
  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>
#include <string>
#include <stack>
#include <math.h>
#include <algorithm>
#include <cstdlib>
#include <ctime>
#include <vector>

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

C++: #include<cstdio>
struct a
{
    int x,y,l;
} mm[15005];
int v[1005],e[1005],hash[1005],hs[1005][1005];
int main()
{
    int i,j,n,m;
    scanf("%d %d",&n,&m);
    for(i=0;i<m;i++)
    {
        scanf("%d %d %d",&mm[i].x,&mm[i].y,&mm[i].l);
    }
    v[0]=1;
    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

int main(void){
  for(int i = 1; i <= 9; i++){
    for(int j = 1; j <= 9; j++){
  printf("%dx%d=%d\n",i,j);
}
}
  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<<endl;
		}
	}
	return 0;
}

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;
}