Submission #30698

#	Time	Username	Problem	Language	Result	Execution time	Memory
30698		okaybody10	볼질 (OJUZ10_ballparade)	C++98	100 / 100	9 ms	1116 KiB

ballparade

#include <stdio.h>
#include <memory.h>

int main()
{
    int N;
    scanf("%d",&N);
    bool base[5];
    memset(base,0,sizeof(base));
    int ballcnt=0,error=0;
    for(int i=0;i<N;i++)
    {
        int throwb;
        scanf("%d",&throwb);
        if(throwb==1)
        {
            ballcnt+=1;
            if(ballcnt==4)
            {
            if(base[1] && base[2] && base[3])
            {
                base[3]=false;
                error+=1;
            }
            if(base[1] && base[2])
            {
                base[3]=true;
            }
            if(base[1])
                base[2]=true;
            base[1]=true;
            ballcnt=0;
        }
        }
        else if(throwb==2)
        {
            if(base[1] && base[2] && base[3])
            {
                base[3]=false;
                error+=1;
            }
            if(base[1] && base[2])
            {
                base[3]=true;
            }
            if(base[1])
                base[2]=true;
            base[1]=true;
            ballcnt=0;
        }
        else
        {
            ballcnt+=1;
            if(base[3])
            {
                base[3]=false;
                error+=1;
            }
            if(base[2])
            {
                base[3]=true;
                base[2]=false;
            }
            if(base[1])
            {
                base[1]=false;
                base[2]=true;
            }
            if(ballcnt==4)
            {
                base[1]=true;
                ballcnt=0;
            }
        }
    }
    printf("%d",error);
}

Compilation message (stderr)

ballparade.cpp: In function 'int main()':
ballparade.cpp:7:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
                   ^
ballparade.cpp:14:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&throwb);
                            ^

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