제출 #627720

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
627720	2022-08-12 20:11:20	dqhungdl	디지털 회로 (IOI22_circuit)	C++17	100 / 100	1156 ms	52320 KiB

circuit

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#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX = 2e5 + 5, MOD = 1e9 + 2022;
int N;
long long C[MAX], f[MAX];
vector<int> g[MAX];
struct SegmentTree {
    int n;
    vector<vector<long long>> tree;
    vector<int> lazy;
    SegmentTree() {}
    SegmentTree(vector<vector<long long>> &V) {
        n = V.size();
        tree.resize(4 * n + 5, {0, 0});
        lazy.resize(4 * n + 5);
        init(1, 0, n - 1, V);
    }
    void init(int k, int l, int r, vector<vector<long long>> &V) {
        if (l == r) {
            tree[k] = V[l];
            return;
        }
        int mid = (l + r) / 2;
        init(2 * k, l, mid, V);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

circuit.cpp: In function 'void dfs(int)':
circuit.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |     for (int i = 1; i < g[u].size(); i++)
      |                     ~~^~~~~~~~~~~~~
circuit.cpp:81:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     for (int i = 0; i < g[u].size(); i++)
      |                     ~~^~~~~~~~~~~~~

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