Submission #14043

#	Time	Username	Problem	Language	Result	Execution time	Memory
14043		paulsohn	볼질 (OJUZ10_ballparade)	C++98	100 / 100	7 ms	1084 KiB

ballparade

#include <cstdio>
#include <algorithm>
using namespace std;

bool run[4];
int n, score, cnt;

void mov(){
    int k;
    cnt=0;
    for(k=0;k<4;++k) if(!run[k]) break;
    if(k==4) ++score;
    else run[k]=true;
}

int main()
{
    int i,th;
    scanf("%d",&n);
    run[0]=true;
    for(i=0;i<n;++i){
        scanf("%d",&th);
        switch(th){
        case 1:
            if(++cnt==4) mov();
            break;
        case 2:
            mov();
            break;
        case 3:
            ++cnt;
            if(run[3]) ++score;
            run[3]=run[2];
            run[2]=run[1];
            run[1]=false;
            if(cnt==4){
                cnt=0;
                run[1]=run[0];
                run[0]=true;
            }
            break;
        }
    }
    printf("%d",score);

    return 0;
}

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