제출 #397080

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
397080	2021-05-01 09:55:55	Nicholas_Patrick	Sure Bet (CEOI17_sure)	C++17	100 / 100	91 ms	4368 KiB

sure

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#include <cstdio>
#include <queue>
#include <cmath>
#include <algorithm>
using namespace std;
int main(){
  int n;
  scanf("%d", &n);
  vector<int> a(n), b(n);
  for(int i=n; i--;){
    double x, y;
    scanf("%lf%lf", &x, &y);
    a[i]=x*10000+0.1;
    b[i]=y*10000+0.1;
  }
  sort(a.rbegin(), a.rend());
  sort(b.rbegin(), b.rend());
  vector<long long> psa(n+1), psb(n+1);
  psa[0]=psb[0]=0;
  for(int i=0; i<n; i++){
    psa[i+1]=psa[i]+a[i];
    psb[i+1]=psb[i]+b[i];
  }
  long long best=0;
  for(int i=0; i<=n; i++){
    int low=0, high=n, mid;//candy[]
    while(low<=high){
      mid=low+high>>1;
      long long tota=psa[mid]-(mid+i)*10000;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sure.cpp: In function 'int main()':
sure.cpp:29:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |    mid=low+high>>1;
      |        ~~~^~~~~
sure.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
sure.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |   scanf("%lf%lf", &x, &y);
      |   ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40