제출 #119426

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
119426	2019-06-21 08:40:40	onjo0127	늑대인간 (IOI18_werewolf)	C++11	100 / 100	1907 ms	159112 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using tiii = tuple<int, int, int>;
struct segtree {
    vector<int> T;
    int get(int idx, int s, int e, int l, int r) {
        if(r < s || e < l) return 0;
        if(l <= s && e <= r) return T[idx];
        int m = s+e >> 1;
        return get(idx*2, s, m, l, r) + get(idx*2+1, m+1, e, l, r);
    }
    void upd(int idx, int s, int e, int p, int v) {
        if(p < s || e < p) return;
        if(s == e) {
            T[idx] = v;
            return;
        }
        int m = s+e >> 1;
        upd(idx*2, s, m, p, v);
        upd(idx*2+1, m+1, e, p, v);
        T[idx] = T[idx*2] + T[idx*2+1];
    }
    segtree(int sz) { T.resize(4*sz); }
};
struct UF {
    int P[400009], X[400009];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

werewolf.cpp: In member function 'int segtree::get(int, int, int, int, int)':
werewolf.cpp:12:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int m = s+e >> 1;
                 ~^~
werewolf.cpp: In member function 'void segtree::upd(int, int, int, int, int)':
werewolf.cpp:21:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int m = s+e >> 1;
                 ~^~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 34 / 34
• Subtask 4: 51 / 51