Submission #90527

#	Time	Username	Problem	Language	Result	Execution time	Memory
90527		tjrwodnjs999	볼질 (OJUZ10_ballparade)	C++11	100 / 100	7 ms	2500 KiB

ballparade

#include <bits/stdc++.h>
using namespace std;
int n,m,a,b,c,d,cnt;
int main(){
    scanf("%d",&n);
    while(n--){
        scanf("%d",&m);
        if(m==1) d++;
        if(m==2||d==4){
            if(c&&b&&a) cnt++,c=0;
            if(b&&a) c=1,b=0;
            if(a) b=1;
            a=1; d=0;
        }
        if(m==3){
            if(c) cnt++,c=0;
            if(b) c=1,b=0;
            if(a) b=1,a=0;
            d++;
            if(d==4) d=0,a=1;
        }
    }
    printf("%d",cnt);
}

Compilation message (stderr)

ballparade.cpp: In function 'int main()':
ballparade.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
ballparade.cpp:7:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&m);
         ~~~~~^~~~~~~~~

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