View Code of Problem 10

#include <stdio.h>

int main(){
    int a,b,c,d,n;
    scanf("%d",&n);
    while(n>0){
        n-=1;
        scanf("%d%d%d%d",&a,&b,&c,&d);
        if(d==c){
            if(b!=a){
            d=d+c;
            c=b;
            b=a;
            a=0;}
            else{
                d=d+c;
                c=a+b;
                a=0;
                b=0;
            }}
        else{
        
            if(c==b){
                c=c+b;
                b=a;
                a=0;
                
            }
            else{
                if(b==a){
                    b=b+a;
                    a=0;
                    
                }
                
            }
            
        }
        printf("%d%d%d%d\n",a,b,c,d);
        
    }
    return 0;
}

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