제출 #1104263

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1104263	2024-10-23 11:05:39	_8_8_	은하철도 (APIO24_train)	C++17	40 / 100	1064 ms	216884 KiB

train

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#include "train.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 2e5 + 12;
struct bit{
    vector<ll> t;
    int n;
    void init(int s) {
        n = s;
        t.assign(n + 1, 0);
    }
    void upd(int pos, ll val) {
        while(pos <= n) {
            t[pos] += val;
            pos += pos & -pos;    
        }
    }
    ll get(int i) {
        ll res = 0;
        while(i) {
            res += t[i];
            i -= i & -i;
        }
        return res;
    }
    ll get(int l, int r) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

train.cpp: In function 'll cost(int, int)':
train.cpp:89:9: warning: unused variable 'ret' [-Wunused-variable]
   89 |     int ret = 0, ret1 = 0;
      |         ^~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 30 / 30
• Subtask 4: 0 / 60