Submission #14271

#	Time	Username	Problem	Language	Result	Execution time	Memory
14271		operaghost	볼질 (OJUZ10_ballparade)	C++98	0 / 100	0 ms	1076 KiB

ballparade

#include <stdio.h>
int ball[4],base[4];
int main()
{
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    int n,a,i,s=0;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        scanf("%d",&a);
        ball[a]++;
        if(ball[1]==4||a==2){
            if(base[3]&&base[2]&&base[1])s++;
            else if(base[2]&&base[1])    base[3]=1;
            else if(base[3]&&base[1]||base[1])    base[2]=1;
            base[1]=1;
            ball[1]=0;
        }
        if(a==3){
            ball[1]++;
            if(base[3])s++,base[3]=0;
            if(base[2])base[3]=1,base[2]=0;
            if(base[1])base[2]=1,base[1]=0;
            if(ball[1]==4)base[1]=1;
        }
        //printf("%d %d %d\n%d %d %d\n%d\n",ball[1],ball[2],ball[3],base[1],base[2],base[3],s);
    }
    printf("%d",s);
   return 0;
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 25
• Subtask 3: 0 / 53