제출 #471624

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
471624	2021-09-10 04:32:56	Cross_Ratio	늑대인간 (IOI18_werewolf)	C++14	컴파일 에러	0 ms	0 KiB

werewolf

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#include <bits/stdc++.h>
//#include "werewolf.h"
using namespace std;
const int INF = 1e9;
struct SegTree {
    struct Node {
        int ma, mi;
        Node(int m1, int m2) : ma(m1),mi(m2) {}
        Node(int v) : ma(v), mi(v) {}
        Node() : ma(-INF),mi(INF) {}
    };
    vector<Node> seg;
    int MAX;
    SegTree(int N) {
        int i;
        for(i=2;i<2*N;i*=2) {}
        seg.resize(i);
        MAX = i;
    }
    Node f(Node x, Node y) {
        return Node(max(x.ma,y.ma),min(x.mi,y.mi));
    }
    void cons() {
        for(int i = MAX/2-1;i>0;i--) {
            seg[i] = f(seg[2*i],seg[2*i+1]);
        }
    }
    Node sum(int s, int e, int n, int ns, int ne) {
        if(e<=ns||ne<=s) return Node();
        if(s<=ns&&ne<=e) return seg[n];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

werewolf.cpp: In member function 'SegTree::Node SegTree::sum(int, int, int, int, int)':
werewolf.cpp:31:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |         int mid = ns + ne >> 1;
      |                   ~~~^~~~
werewolf.cpp: In member function 'int SegTree::LeftSmall(int, int, int)':
werewolf.cpp:42:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |         int mid = s + e >> 1;
      |                   ~~^~~
werewolf.cpp: In member function 'int SegTree::RightSmall(int, int, int)':
werewolf.cpp:51:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |         int mid = s + e >> 1;
      |                   ~~^~~
werewolf.cpp: In member function 'int SegTree::LeftBig(int, int, int)':
werewolf.cpp:60:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   60 |         int mid = s + e >> 1;
      |                   ~~^~~
werewolf.cpp: In member function 'int SegTree::RightBig(int, int, int)':
werewolf.cpp:69:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   69 |         int mid = s + e >> 1;
      |                   ~~^~~
werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:111:13: error: 'i' was not declared in this scope
  111 |         for(i=0;i<Q;i++) {
      |             ^