Go: package main

import . "fmt"

func main() {
	for i := 1; i < 10; i++ {
		for j := 1; j < 10; j++ {
			Printf("%dx%d=%d\n", i, j, i*j)
		}
	}
}

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++: //#define _GLIBCXX_DEBUG
#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
#include <string>
#include <cstring>
#include <sstream>
#include <numeric>
#include <complex>

using namespace std;
typedef long long ll;
typedef pair<int,int> PI;

#define rep(i,n) for(int i=0;i<(int)(n);++i)
#define F first
#define S second
#define mp(a,b) make_pair(a,b)
#define pb(a) push_back(a)
#define SZ(a) (int)((a).size())
#define ALL(a) a.begin(),a.end()
#define FOR(it,a) for(__typeof(a.begin())it=a.begin();it!=a.end();++it)


//低優先度


#include <list>
#include <stack>
#include <iomanip>
#include <fstream>
#include <cassert>
#define REP(i, n) rep (i, n)
#define min3(a,b,c) min((a),min((b),(c)))
#define min4(a,b,c,d) min((a),min3((b),(c),(d)))
#define FLL(a,b) memset((a),b,sizeof(a))
#define CLR(a) memset((a),0,sizeof(a))
#define EPS (1e-8)
template<class T,class U>ostream&operator<<(ostream&o,pair<T,U>&v){return o<<"("<<v.F<<","<<v.S<<")";}
template<class T>ostream&operator<<(ostream&o,vector<T>&v){o<<"{";rep(i,SZ(v))o<<(i?",":"")<<v[i];return o<<"}";}
string i2s(int a){stringstream ss;ss<<a;return ss.str();};
typedef double FP;
typedef complex<FP> pt;
typedef pt P;
typedef pair<pt,pt> line;
FP dot(P a,P b){return real(conj(a)*b);}
FP crs(P a,P b){return imag(conj(a)*b);}
P ortho(P a){return a*P(0,1);}
P ortho(line a){return ortho(a.S-a.F);}
P crspt(P a,P b,P c,P d){b-=a,d-=c;return a+b*crs(d,c-a)/crs(d,b);}
P crspt(line a,line b){return crspt(a.F,a.S,b.F,b.S);}
bool onl(P a1,P a2,P b){return abs(b-a1)+abs(b-a2)<abs(a1-a2)+EPS;}
bool onl(line a,P b){return onl(a.F,a.S,b);}
bool iscrs(line a,line b){P c=crspt(a,b);return onl(a,c)&&onl(b,c);}
void pkuassert(bool t){t=1/t;};
int dx[]={0,1,0,-1,1,1,-1,-1};
int dy[]={1,0,-1,0,-1,1,1,-1};
enum{TOP,BTM,LFT,RGT,FRT,BCK};
int dxdy2ce[]={RGT,FRT,LFT,BCK};
template<class T> T shift(T a,int b,int c,int d,int e){
 __typeof(a[0])t=a[b];a[b]=a[c];a[c]=a[d];a[d]=a[e];a[e]=t;
 return a;}
template<class T> T rgt(T a){return shift(a,TOP,LFT,BTM,RGT);}
template<class T> T lft(T a){return shift(a,TOP,RGT,BTM,LFT);}
template<class T> T frt(T a){return shift(a,TOP,BCK,BTM,FRT);}
template<class T> T bck(T a){return shift(a,TOP,FRT,BTM,BCK);}
line mkl(P a,P v){return line(a,a+v);}
FP lpdist(line a,P b){return abs(b-crspt(a,mkl(b,ortho(a))));}
FP spdist(line a,P b){
  P c(crspt(a,mkl(b,ortho(a))));
  return onl(a,c)?abs(b-c):min(abs(a.F-b),abs(a.S-b));
}
FP ssdist(line a,line b){
 return
  iscrs(a,b)?0.:
   min4(spdist(a,b.F),spdist(a,b.S),
        spdist(b,a.F),spdist(b,a.S));
}
namespace std{
  bool operator<(const P&a,const P&b){
    return mp(real(a),imag(a))<mp(real(b),imag(b));
  }
}

int main(int argc, char *argv[])
{
  int a,b;
  ofstream fout("out.txt");
  if(fout){
    rep(i,9)rep(j,9) printf("%dx%d=%d\n",i+1,j+1,(i+1)*(j+1));
    fout << a+b << endl;    
  }

  return 0;
}

C++: #include<stdio.h>
#include<string.h>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<iostream>
using namespace std;
int main() {
	int n, i, j, h = 0, cnt = 0, m, p, k = 3, l[10], S, L, s[10], a[10];
	for (i = 1; i <= 9; i++) {
		for (j = 1; j <= 9; j++) {
			int seki = i*j;
			printf("%dx%d=%d\n", i, j, seki);
		}
	}

}

C++: #include<iostream>
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;
}

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

C++: #include<stdio.h>
int main(i){for(i=9;i<90;i++)printf("%dx%d=%d\n",i/9,i%9+1,i/9*(i%9+1));}

C++: #include <iostream>
#include <string.h>
#include <cstdio>
#include <algorithm>
#include <vector>
#define maxnum 1000000000
using namespace std;

struct TwoTree
{
    int h, root;
    vector<TwoTree> tree;
    TwoTree() {}
    TwoTree(int x)
    {
        h = 0, root = x;
        tree.clear();
    }
    int size()
    {
        return tree.size();
    }
    void push_back(TwoTree a)
    {
        tree.push_back(a);
    }
    TwoTree addSubTree(TwoTree a)
    {
        TwoTree res = *this;
        res.h++;
        res.push_back(a);
        return res;
    }
    TwoTree mergeTree(TwoTree A)
    {
        if (root>A.root) return addSubTree(A);
        return A.addSubTree(*this);
    }
};//螟ァ譬ケ譬?

struct TwoHeap
{
    int root;
    vector<TwoTree> tree;
    TwoHeap() {}
    TwoHeap(int x)
    {
        root = x;
        tree.clear();
        tree.push_back(TwoTree(x));
    }
    void clear()
    {
        root = -maxnum;
        tree.clear();
    }
    void push_back(TwoTree a)
    {
        tree.push_back(a);
    }
    int size()
    {
        return tree.size();
    }
    int top()
    {
        int res = -maxnum;
        for (int i = 0; i < tree.size(); i++) res = max(res, tree[i].root);
        return res;
    }
    TwoHeap mergeHeap(TwoHeap B)
    {
        TwoHeap A = *this;
        TwoHeap res;
        res.clear();
        int head_A = 0, head_B = 0;
        while (head_A<A.size()||head_B<B.size())
        {
            if (head_B<B.size())
            {
                while (head_A<A.size()&&A.tree[head_A].h<B.tree[head_B].h)
                    res.push_back(A.tree[head_A]), head_A++;
            }
            else
            {
                while (head_A<A.size())
                    res.push_back(A.tree[head_A]), head_A++;
            }
            if (head_A<A.size())
            {
                while (head_B<B.size()&&A.tree[head_A].h>B.tree[head_B].h)
                    res.push_back(B.tree[head_B]), head_B++;
            }
            else
            {
                while (head_B<B.size())
                    res.push_back(B.tree[head_B]), head_B++;
            }
            while (head_A<A.size()&&head_B<B.size()&&A.tree[head_A].h==B.tree[head_B].h)
                A.tree[head_A] = A.tree[head_A].mergeTree(B.tree[head_B]), head_B++;
        }
        res.root = res.top();
        return res;
    }
    TwoHeap add(int x)
    {
        TwoHeap A = *this;
        TwoHeap B = TwoHeap(x);
        return A.mergeHeap(B);
    }
    TwoHeap del()
    {
        TwoHeap A = *this;
        TwoHeap B;
        B.clear();
        for (vector<TwoTree>::iterator it = A.tree.begin(); it != A.tree.end(); it++)
            if (A.root==(*it).root)
            {
                TwoTree tmp = *it;
                A.tree.erase(it);
                for (int i = 0; i < tmp.size(); i++)
                    B.push_back(tmp.tree[i]);
                break;
            }
        return A.mergeHeap(B);
    }
};//螟ァ譬ケ蝣?

int main()
{
    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;
    }
  }
}

C++: #include<iostream>
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++: //25
#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 < 10; ++i) {
        for (int j = 1; j < 10 ; ++j) {
            cout << i;
            cout << 'x';
            cout << j;
            cout << '=';
            cout << i * j;
            cout << endl;
        }
    }
    return 0;
}

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

int main(){
	int k = strtol("1000000000000", 0, 10);
	return k < -727300000;
}