제출 #784876

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
784876	2023-07-16 16:24:38	TheSahib	커다란 상품 (IOI17_prize)	C++14	100 / 100	87 ms	16072 KiB

prize

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#include "prize.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const int BLOCK = 500;
const int MAX = 2e5 + 5;
 
int tree[MAX];
 
void update(int pos, int val){
    while(pos < MAX){
        tree[pos] += val;
        pos += pos & (-pos);
    }
}
 
int ask(int l, int r){
    if(r < l) return 0;
    if(l != 1) return ask(1, r) - ask(1, l - 1);
    int ans = 0;
    while(r > 0){
        ans += tree[r];
        r -= r & (-r);
    }
    return ans;
}
 
vector<int> mp[MAX];
 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:89:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |     for(int i = 0; i < blocks.size() - 1; ++i){
      |                    ~~^~~~~~~~~~~~~~~~~~~
prize.cpp:38:24: warning: control reaches end of non-void function [-Wreturn-type]
   38 |     vector<int> order(n);
      |                        ^

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80