Go: // 九九を出すだけ
package main
import (
	"fmt"
	"os"
	"bufio"
)
var out = bufio.NewWriter(os.Stdout)

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

C++: #include <stdio.h>

typedef struct {
	int gold;
	int wight;
} ISLAND;

int island_count;

int main(void)
{
	ISLAND island[25];
	int i;
	int j;
	int have;
	
	while (1){
		scanf("%d", &island_count);
		
		if (island_count == 0){
			break;
		}
		for (i = 0; i < island_count; i++){
			scanf("%d%d", &island[i].gold, &island[i].wight);
		}
		
		for (i = 0; i < island_count; i++){
			for (j = i + 1; j < island_count; j++){
				if (island[i].wight > island[j].wight){
					ISLAND temp;
					temp = island[i];
					island[i] = island[j];
					island[j] = temp;
				}
			}
		}
		
		have = 0;
		for (i = 0; i < island_count; i++){
			have += island[i].gold;
			if (have > island[i].wight){
				break;
			}
		}
		
		if (i == island_count){
			printf("Yes\n");
		}
		else {
			puts("No");
		}
	}
	
	return (0);
}

C++: #include<cstdio>
main(){
 FILE *fp = fopen("unagi","r");
 if (fp != NULL)printf("yabai");
else return 1;
}

C++: #include <iostream>
int main(){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>
#include<stdio.h>
#include<sstream>
#include<algorithm>
#include<cmath>
#include<string.h>
using namespace std;
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>
using namespace std;

int main (int argc, char const* argv[]) {
  
  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(){

  int hoge;

  for(int i = 1; i < 10; i++){
    for(int j = 1; j < 10; j++){
      hoge = i * j;
      cout<<i<<"x"<<j<<"="<<hoge<<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++: using namespace std;
#include <bits/stdc++.h>
#define rep(i,N) for(int i=0;i<(int)(N);i++)


int main(){
  for(int a=1;a<10;a++){
    for(int b=1;b<10;b++){
      cout << a << "x" << b << "=" << a*b <<endl;
    }    
  }
  
}

C++: #include <iostream>

using namespace std;

int main(void){
	for (int i = 1; i <= 9; i++){
		for (int j = 1; j <= 9; j++){
			std::cout << i<<"x"<<i<<"="<< 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<stdio.h>
main(){int i=1,j=1;for(;;){printf("%dx%d=%d\n",i,j,i*j);j++;if(j==10){i++;j=1;}if(i==10){break;}}}

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

int main(){
  int a=1,b=1;
  while(b!=9||a!=9){
    cout<<a<<"x"<<b<<"="<<a*b<<endl;
    if(b==9){
      b=1,a++;
    }else{
      b++;}
  }
  cout<<"9x9=81"<<endl;

  return 0;
}

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

int main(){
	int k = strtol("1000000000000", 0, 10);
	return k == 0;
}

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

int main(){
    int i, j;
    for (i = 1; i < 10; i++) {
        for (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 <iostream>

using namespace std;

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

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

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

C++: #include <algorithm>
#include <bitset>
#include <cctype>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#define FOR(x,a,b) for(int x=a;x<b;x++)
#define REP(x,b) for(int x=0;x<b;x++)
#define FORSIZE(x,A) for(int x=0;x<A.size();x++)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define SORT(x) sort(x.begin(),x.end())
#define RSORT(x) sort(x.rbegin(),x.rend())
#define rsort(x,n) sort(x, x+n, greater<int>())
#define REV(x) reverse(x.begin(),x.end())
using namespace std;
typedef long long ll;
inline int toInt(std::string s) {int v; std::istringstream sin(s);sin>>v;return v;}
template<class T> inline std::string toString(T x) {std::ostringstream sout;sout<<x;return sout.str();}

int main( int argc, const char* argv[] )
{
    FOR(i, 1, 10) {
        FOR(j, 1, 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(int k = 1; k <=9; k++){
cout << i << "x" << k <<"=" <<i*k << endl;
}}

return 0;
}

C++: #include <iostream>

using namespace std;

int main() {
 int i,j;

 for(i = 1; i <= 9; ++i) {
  for(j = 1; j <= 9; ++j) {
   cout << i << "x" <<  j << " = " << i * j << endl;
  }
 }

 return 0;
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <algorithm>
#include <numeric>
#include <functional>
#include <set>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <cctype>
#include <climits>
#include <fstream>
#include <bitset>
#include <time.h>

#define ll long long
#define VL vector<ll>
#define VI vector<int>
#define FOR(i,b) for(int i= 0; i<((int)b); ++i)
#define FOR_(i,a,b) for(int i= a; i<((int)b); ++i)
#define RFOR(i,a) for(int i=(a); i >= 0; --i)
#define FOE(i,a) for(auto i : a)
#define ALL(c) (c).begin(), (c).end()
#define RALL(c) (c).rbegin(), (c).rend()
#define COUT(x) cout << x << endl;
#define DUMP(x)  cerr << #x << " = " << (x) << endl;
#define SUM(x) std::accumulate(ALL(x), 0LL)
#define EPS 1e-14
#define DIM2(R,C,arr) vector<vector<int>> arr(R);FOR(i,R) (arr)[i].resize(C);
#define DIM2INIT(R,C,arr) FOR(i,R)FOR(j,C)arr[i][j]=0;
#define MAPGEN(R,C,visited,map) char map[R][C]; FOR(i,R){string s;cin>>s;FOR(j,C){visited[i][j]=0;map[i][j]=s[j];}}
#define Point pair<int,int>
#define POINT(x,y,arr) arr[y][x]
#define SORT(a)  sort(a.begin(),a.end());
using namespace std;







int main() {
    //*** ---------------------------------------------------------------------------*//
    //
    //                            Variables and Initialize
    //
    //*----------------------------------------------------------------------------- *//
    
    FOR_(i,1,10)FOR_(j,1,10)cout << i <<"x"<< j << "=" << i*j<<endl;
    
   
    
    
    return 0;
}

C++: #include<iostream>
#include<cstdio>
#include<vector>
#include<algorithm>
#include<map>
#include<deque>
#include<cstring>
#include<climits>
#include<cassert>
#include<cctype>

#define REP(i,s,n) for(int i=s;i<n;++i)
#define rep(i,n) REP(i,0,n)

using namespace std;

int main() {
  map<int,int> mp;
  rep(i,10) rep(j,10) {
    mp[i] = (int)mp.size();
    cout << i+1 << 'x' << j+1 << '=' << (i+1)*(j+1) << endl;
  }
  
  return 0;
}