OJ Board

Code: Select all

#include <stdio.h>

int testcase;
int point_num;
int arr[101];
int cnt;

int main()
{
	freopen("data.txt","r",stdin);
	int i,j;
	scanf("%d", &testcase);
	while(testcase--)
	{
		cnt=0;
		scanf("%d", &point_num);
		for(i=0 ; i<point_num ; i++)
		{
			scanf("%d", &arr[i]);
		}
		for(i=0 ; i<point_num-1 ; i++)
		{
			for(j=i+1 ; j<point_num ; j++)
			{
				if(arr[i]<arr[j])
				{
					int temp = arr[i];
					arr[i] = arr[j];
					arr[j] = temp;
				}
			}
		}
		while(++cnt<point_num)
		{
			int temp = arr[0];
			for(j=1 ; j<=temp ; j++)
			{
				while(!arr[j])
				{
					j++;
					if(j>=point_num)
						break;
				}
				if(j<point_num){
					arr[j]--;
					arr[0]--;
				}
			}
			for(i=0 ; i<point_num-1 ; i++)
			{
				for(j=i+1 ; j<point_num ; j++)
				{
					if(arr[i]<arr[j])
					{
						int temp = arr[i];
						arr[i] = arr[j];
						arr[j] = temp;
					}
				}
			}
		}

		if(arr[0])
		{
			printf("No\n");
		}
		else
			printf("Yes\n");			
	}

	return 0;
}

Code: Select all

got AC after considering the case n==0

Code: Select all

   while(scanf("%d",&cases)!=EOF){
       while(cases--){
             .........
      }
  }

Code: Select all

     scanf("%d",&cases);
     while(cases--){
          ..........
    }