제출 #422671

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
422671		Andyvanh1	Holiday (IOI14_holiday)	C++14	23 / 100	44 ms	6212 KiB

holiday

#include <bits/stdc++.h>
#include "holiday.h"
 
using namespace std;
 
#define vt vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rep(i,x) for(int (i) = 0; (i) < (x); (i)++ )
 
typedef long long ll;
typedef long double ld;
typedef vt<int> vi;
typedef pair<int,int> pii;
 
long long int findMaxAttraction(int n, int start, int d,int attraction[]){
    ll Max = 0;
    if(d>2*n-1)d = 2*n-1;
    multiset<int> st;
    ll cur = 0;
    int a = d/2+1;
    int b = (d+1)/2;
    for(int i = 0; i < a; i++){
        st.insert(attraction[i]);
        cur+=attraction[i];
    }
    while(st.size()!=b){
        cur-=*st.begin();
        st.erase(st.begin());
 
    }
    Max = cur;
    while(a < n&&b!=0){
        b--;
        cur += attraction[a];
        st.insert(attraction[a]);
        cur -= *st.begin();
        st.erase(st.begin());
        cur -= *st.begin();
        st.erase(st.begin());
        Max = max(Max, cur);
        a++;
    }
    return Max;
}

컴파일 시 표준 에러 (stderr) 메시지

holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:27:20: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |     while(st.size()!=b){
      |           ~~~~~~~~~^~~

• Subtask 1: 0 / 7
• Subtask 2: 23 / 23
• Subtask 3: 0 / 17
• Subtask 4: 0 / 53