Submission #13945

#	Time	Username	Problem	Language	Result	Execution time	Memory
13945		ainta	볼질 (OJUZ10_ballparade)	C++98	100 / 100	7 ms	1084 KiB

ballparade

#include<stdio.h>
bool chk[3];
int R;
void Move(){
	if (chk[2])R++;
	chk[2] = chk[1];
	chk[1] = chk[0];
	chk[0] = false;
}
void Move2(){
	if (chk[2]){
		if (chk[0] && chk[1]){
			R++; chk[2] = false;
		}
	}
	if (chk[1]){
		if (chk[0]){
			chk[2] = true;
			chk[1] = false;
		}
	}
	if (chk[0])chk[1] = true;
	chk[0] = true;
}
int main(){
	int i, n, a, B = 0;
	scanf("%d", &n);
	while (n--){
		scanf("%d", &a);
		if (a == 1){
			if (B == 3){
				Move2();
				B = 0;
			}
			else B++;
			continue;
		}
		else if (a == 2){
			Move2();
			B = 0;
		}
		else{
			Move();
			B++;
			if (B == 4){
				chk[0] = true;
				B = 0;
			}
		}
	}
	printf("%d\n", R);
}

• Subtask 1: 22 / 22
• Subtask 2: 25 / 25
• Subtask 3: 53 / 53