Language: C

#include<iostream>  
#include<vector>  
#include<algorithm>  
#include<cstdio>  
#include<queue>  
#include<stack>  
#include<string>  
#include<map>  
#include<set>  
#include<cmath>  
#include<cassert>  
#include<cstring>  
#include<iomanip>  
using namespace std;  
 
#define FOR(i,a,b)      for( int i = (a) ; i <= (b) ; i ++)  
#define FF(i,a)         for( int i = 0 ; i < (a) ; i ++)  
#define FFD(i,a)        for( int i = (a)-1 ; i >= 0 ; i --)  
#define S64(a)          scanf(in64,&a)  
#define SS(a)           scanf("%d",&a)  
#define LL(a)           ((a)<<1)  
#define RR(a)           (((a)<<1)+1)  
#define pb              push_back  
#define CL(Q)           while(!Q.empty())Q.pop()  
#define MM(name,what)   memset(name,what,sizeof(name))  
#define read            freopen("in.txt","r",stdin)  
#define write           freopen("out.txt","w",stdout)  
  
const int inf = 0x3f3f3f3f;  
const double oo = 10e9;  
const double eps = 1e-10;  
const double pi = acos(-1.0);  
  
char a[6][6];  
string s;  
int sx,sy;    //譽狗尨荳岩?x窶吝柱窶椀窶咏噪謨ー驥? 
  
int num(int x,int y)   // 扈呎」狗尨逧?ッ丈クェ轤ケ郛門捷??~16  
{  
    return (x-1)*4+y;       
}  
  
bool you(int x,int temp)  //逵?x 逧?コ瑚ソ帛宛蠖「蠑冗噪隨ャ temp 菴肴弍蜷ヲ荳コ 1  
{  
    return (x&(1<<temp));  
}  
  
bool win(int x)    // 蛻、譁ュ螻?擇譏ッ蜷ヲ蟾イ扈剰オ「莠? 
{  
    int temp;  
    bool ok;  
    for(int u=1;u<=4;u++)  
    {  
        ok = true;  
        for(int k=1;k<=4;k++)  
        {  
            temp = num(u,k);  
            if(!you(x,temp))  
            {  
                ok = false;  
                break;  
            }  
        }  
        if(ok) return true;  
    }  
  
    for(int k=1;k<=4;k++)  
    {  
        ok = true;  
        for(int u=1;u<=4;u++)  
        {  
            temp = num(u,k);  
            if(!you(x,temp))  
            {  
                ok = false;  
                break;  
            }  
        }  
        if(ok) return true;  
    }  
    ok = true;  
    for(int u=1;u<=4;u++)  
    {  
        temp = num(u,u);  
        if(!you(x,temp))  
        {  
            ok = false;  
            break;  
        }  
    }  
    if(ok) return true;  
  
    ok = true;  
    for(int u=1;u<=4;u++)  
    {  
        temp = num(5-u,u);  
        if(!you(x,temp))  
        {  
            ok = false;  
            break;  
        }  
    }  
    if(ok) return true;  
  
    return false;  
}  
  
bool dfwin(int step,int x,int y,bool wh)  //蛻、譁ュXXX譏ッ蜷ヲ閭ス襍「  
{  
    if(win(x)) return true;  
    if(win(y)) return false;  
    if(step == 17) return false;  
  
    if(wh)  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u) && !you(y,u))  
            {  
                if(dfwin(step+1,x+(1<<u),y,false))  
                {  
                    return true;  
                }  
            }  
        }  
        return false;  
    }  
    else  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u) && !you(y,u))  
            {  
                if(!dfwin(step+1,x,y+(1<<u),true))  
                {  
                    return false;  
                }  
            }  
        }  
        return true;  
    }  
}  
  
bool dflose(int step,int x,int y,bool wh)  //蛻、譁ュXXX譏ッ蜷ヲ閭ス霎? 
{  
    if(win(x)) return false;  
    if(win(y)) return true;  
    if(step == 17) return false;  
  
    if(wh)  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u) && !you(y,u))  
            {  
                if(dflose(step+1,x+(1<<u),y,false))  
                {  
                    return true;  
                }  
            }  
        }  
        return false;  
    }  
    else  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u)&&!you(y,u))  
            {  
                if(!dflose(step+1,x,y+(1<<u),true))  
                {  
                    return false;  
                }  
            }  
        }  
        return true;  
    }  
}  
  
bool pin(int step,int x,int y,bool wh)  //蛻、譁ュXXX譏ッ蜷ヲ閭ス蟷ウ  
{  
    if(win(x) || win(y)) return false;  
    if(step == 17) return true;  
    if(wh)  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u) && !you(y,u))  
            {  
                if(pin(step+1,x+(1<<u),y,false))  
                {  
                    return true;  
                }  
            }  
        }  
        return false;  
    }  
    else  
    {  
        for(int u=1;u<=16;u++)  
        {  
            if(!you(x,u) && !you(y,u))  
            {  
                if(!pin(step+1,x,y+(1<<u),true))  
                {  
                    return false;  
                }  
            }  
        }  
        return true;  
    }  
}  
  
bool start()  
{  
    int temp;  
    int x,y;  
    x = 0;  
    y = 0;  
    if(sx == sy)  
    {  
        for(int u=1;u<=4;u++)  
        {  
            for(int k=1;k<=4;k++)  
            {  
                if(a[u][k]=='x')  
                {  
                    temp = num(u,k);  
                    x |= 1<<temp;  
                }  
                else if(a[u][k] == 'o')  
                {  
                    temp = num(u,k);  
                    y |= 1<<temp;  
                }  
            }  
        }  
    }  
    else  
    {  
        for(int u=1;u<=4;u++)  
        {  
            for(int k=1;k<=4;k++)  
            {  
                if(a[u][k]=='x')  
                {  
                    temp = num(u,k);  
                    y |= 1<<temp;  
                }  
                else if(a[u][k] == 'o')  
                {  
                    temp = num(u,k);  
                    x |= 1<<temp;  
                }  
            }  
        }  
    }  
    int step = sx+sy +1;  
  
    if(s=="LOSE")  
    {  
        return dflose(step,x,y,true);  
    }  
    else if(s=="WIN")  
    {  
        return dfwin(step,x,y,true);  
    }  
    else if(s=="TIE")  
    {  
        return pin(step,x,y,true);  
    }  
}  
  
int main()  
{  
    int T;
	freopen("f.in","r",stdin);
	freopen("hisf.out","w",stdout);
    cin>>T;  
    while(T--)  
    {  
        cin>>s;  
        sx =0;  
        sy= 0;  
        for(int i=1;i<=4;i++)  
        {  
            for(int j=1;j<=4;j++)  
            {  
                cin>>a[i][j];  
                if(a[i][j]=='x')  
                {  
                    sx++;  
                }  
                else if(a[i][j]=='o')  
                {  
                    sy++;  
                }  
            }  
        }  
        if(start())  
        {  
            cout<<"YES"<<endl;  
        }  
        else  
        {  
            cout<<"NO"<<endl;  
        }  
    }  
    return 0;  
}  

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.