Submission #14048

#	Time	Username	Problem	Language	Result	Execution time	Memory
14048		kipa00	볼질 (OJUZ10_ballparade)	C++98	100 / 100	7 ms	1084 KiB

ballparade

#include <cstdio>

int is1, is2, is3, ball;

int push() {
    if (is1 && is2 && is3) {
        return 1;
    }
    if (is1 && is2) {
        is3 = 1;
        is2 = 0;
    }
    if (is1) {
        is2 = 1;
        is1 = 0;
    }
    is1 = 1;
    return 0;
}

int vpush() {
    int is4;
    is4 = is3;
    is3 = is2;
    is2 = is1;
    is1 = 0;
    return is4;
}

int main() {
    int N, s = 0;
    scanf("%d", &N);
    while (N--) {
        int t;
        scanf("%d", &t);
        if (t == 1) {
            ++ball;
        } else if (t == 2) {
            ball = 0;
            s += push();
        } else if (t == 3) {
            ++ball;
            s += vpush();
        }
        if (ball == 4) {
            ball = 0;
            s += push();
        }
    }
    printf("%d\n", s);
    return 0;
}

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