제출 #145559

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
145559	2019-08-20 11:45:54	surface03	컬러볼 (KOI15_ball)	C++14	25 / 25	95 ms	8312 KiB

ball

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#include<stdio.h>
#include<algorithm>
using namespace std;
struct data{
    int num,color,size;
    bool operator<(const data &r) const{
        return size<r.size;
    }
}ball[200010];
int N,score[200010],sum[200010];
int main(){
    int i,j;
    scanf("%d",&N);
    for(i=0;i<N;i++){
        scanf("%d%d",&ball[i].color,&ball[i].size);
        ball[i].num=i;
    }
    sort(ball,ball+N);
    for(i=0,j=0;i<N;i++){
        while(j<i&&ball[j].size<ball[i].size){
            sum[0]+=ball[j].size,sum[ball[j].color]+=ball[j].size;
            j++;
        }
        score[ball[i].num]=sum[0]-sum[ball[i].color];
    }
    for(i=0;i<N;i++){
        printf("%d\n",score[i]);
    }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

ball.cpp: In function 'int main()':
ball.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&N);
     ~~~~~^~~~~~~~~
ball.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&ball[i].color,&ball[i].size);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25