View Code of Problem 10

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
	int n,i,j;
	char a[100][100];
	scanf("%d",&n);
	for(i=0;i<n;i++){
		for(j=0;j<4;j++){
			scanf("%d",&a[i][j]);
			}
		}
	
	for(i=0;i<n;i++){
		for(j=0;j<4;j++){
			if(a[i][j]==a[i][j+1]){
				a[i][j+1]=a[i][j+1]+a[i][j];
				a[i][j]=0;
		}
	}
	} 
	for(i=0;i<n;i++){
		for(j=3;j>0;j++){
			if(a[i][j]==0&&a[i][j-1]!=0){
				a[i][j]=a[i][j-1];
				a[i][j-1]=0;
			}
			else
				break;
		} 
		}
	
	for(i=0;i<n;i++){
		for(j=0;j<4;j++){
			printf("%d ",a[i][j]);
		}
		printf("\n");
	}
	
}

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