Submission #14112

#TimeUsernameProblemLanguageResultExecution timeMemory
14112jackae98볼질 (OJUZ10_ballparade)C++98
22 / 100
7 ms1276 KiB
#include <stdio.h>
int n;
int a[50010];
int b[5];
int ball;
int main()
{
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
	}
	for(int i=1;i<=n;i++){
		if(a[i]==1)
		{
			ball++;
			if(ball==4)
			{
				ball=0;
				b[0]++;
				for(int j=3;j>=0;j--){
					if(j==0||b[j]==1&&b[j-1]==1)
					{
						b[j+1]++;
						b[j]--;
					}
				}
			}
		}
		if(a[i]==2)
		{
			ball=0;
			b[0]++;
			for(int j=3;j>=0;j--){
				if(j==0||b[j]>=1&&b[j-1]==1)
				{
					b[j+1]++;
					b[j]--;
				}
			}
		}
		if(a[i]==3)
		{
			ball++;
			if(ball==4)
			{
				ball=0;
				b[0]++;
				for(int j=3;j>=0;j--){
					if(j==0||b[j]==1&&b[j-1]==1)
					{
						b[j+1]++;
						b[j]--;
					}
				}
			}
			else{
				for(int j=3;j>=0;j--){
					if(b[j]>=1)
					{
						b[j+1]++;
						b[j]--;
					}
				}
			}
		}
	}
	printf("%d",b[4]);
}
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