Go: package main

import "fmt"


func main() {
	for i := 1; i <= 9; i++ {
		for i2 := 1; i2 <= 9; i2++ {
			fmt.Printf("%d ?? %d = %d\n", i, i2, i*i2)
		}
	}
}

C++: #include <bits/stdc++.h>

int main(void)
{
??????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>
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>
#include <algorithm>

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; 
}

C++: #include <bits/stdc++.h>
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(){
    int y,i;
    for(y = 1;y < 10;y++){
          for(i = 1;i < 10;i++){
          cout << y << "x" << i << "=" << y*i << 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 << endl;
    }
  }
}

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/*
From VirtualJudge.PY From VirtualJudge.PY From 
*/

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>
#include<string>
#include<sstream>

const int MAX = 9;

class result{
        private:
                int num[MAX + 1][MAX + 1];

        public:
                result(void);
                int getResult(int, int);
};

class output{
        private:
                result *m_pResult;
                std::string m_strLine[MAX * MAX];

        public:
                output(void);
                ~output(void);
                std::string getLine(int);
};

class screan{
        private:
                output *m_pOp;

        public:
                void setOp(output*);
                void writeLine(void);
};

class consoleApp{
        private:
                output *m_pOutput;
                screan *m_pScrean;

        public:
                consoleApp(void);
                ~consoleApp(void);
                void run(void);
};

// class result method
result::result(){
        for(int i = 1; i <= MAX; i++){
                for(int j = 1; j <= MAX; j++){
                        num[i][j] = i * j;
                }
        }
}

int result::getResult(int x, int y){
        if(x <= MAX && y <= MAX){
                return num[x][y];
        }
}

// class output method
output::output(){
        m_pResult = new result;

        int count = 0;

        for(int i = 1; i <= MAX; i++){
                for(int j = 1; j <= MAX; j++){
                        std::stringstream ss;
                        ss << i << "x" << j << "=" << m_pResult->getResult(i, j);
                        m_strLine[count] = ss.str();
                        count++;
                }
        }
}

output::~output(){
        delete m_pResult;
}

std::string output::getLine(int x){
        return m_strLine[x];
}

// class screan method
void screan::setOp(output *op){
        m_pOp = op;
}

void screan::writeLine(){
        for(int i = 0; i < MAX * MAX; i++){
                std::cout << m_pOp->getLine(i) << std::endl;
        }
}

// class consoleApp method
consoleApp::consoleApp(){
        m_pOutput = new output;
        m_pScrean = new screan;
}

consoleApp::~consoleApp(){
        delete m_pScrean;
        delete m_pOutput;
}

void consoleApp::run(){
        m_pScrean->setOp(m_pOutput);

        m_pScrean->writeLine();
}

// main function
int main(int argc, char **argv){
        consoleApp *ca = new consoleApp;

        ca->run();

        return 0;
}

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

class C {
public:
	int a[32][32];
};

class D {
public: 
	D() : a(28, std::vector<int>(28)){}
	std::vector<std::vector<int> > a;
};

int main()
{
	C *p = new C[10000];
	p[9999].a[31][31] = 1;
	// D *q = new D[10000];
	// q[9999][27][27] = 1;
}

C++: #include <iostream>
using namespace std;
int main(){
    for(int ii=1;ii<10;ii++){
        for(int i=1;i<10;i++){
            cout << ii << "×" << i << "=" << i*ii << 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>
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>

//関数の宣言
void Mul();

int main()
{
	Mul();

	return 0;

}

//関数の定義
void Mul(){
	for (int i = 1; i <= 9; i++){
		for (int j = 1; j <= 9; j++){
			std::cout << i << 'x' << j << '=' << i*j << '\n';
		}
	}
}

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

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

C++: #include <bits/stdc++.h>
using  namespace std;
#define ll    long long int
#define pai     pair<int,int>
#define vi      vector<int>
#define vd      vector<double>
#define mpi     map<int,int>
#define mps     map<string,int>
#define sti     stack<int>
#define stc     stack<char>
#define sei     set<int>
#define ses     set<string>
#define multii  multiset<int>

 int main()
{
  /*#ifndef ONLINE_JUDGE
  freopen("tin.txt","r",stdin);
  freopen("tout.txt","w",stdout);
  #endif*/
  ll t;
  for(int i=1;i<=9;i++){
    for(int j=1;j<=9;j++){
      cout<<i<<"x"<<j<<"="<<i*j<<endl;
    }
  }

}

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

int main(void) {
    for(int r = 1; r <= 9; r++) {
        for(int c = 1; c <= 9; c++) {
            cout << r << "×" << c << "=" << r * c << endl;
        }
    }
    
    return(0);
}

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

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;
}