제출 #115246

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
1152462019-06-06 10:33:42IOrtroiiiMousetrap (CEOI17_mousetrap)C++14
100 / 100
1278 ms186108 KiB
#include <bits/stdc++.h>
using namespace std;
const int N = 1000100;
int n, t, m;
vector<int> g[N];
vector<int> vals[N];
vector<int> tour;
bool on[N];
int pref[N];
bool dfs(int u, int p, int to) {
tour.push_back(u);
if (u == to) return true;
for (int v : g[u]) {
if (v != p) {
if (dfs(v, u, to)) {
return true;
}
}
}
tour.pop_back();
return false;
}
int dfs2(int u, int p) {
vector<int> vals;
for (int v : g[u]) {
 
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컴파일 시 표준 에러 (stderr) 메시지

mousetrap.cpp: In function 'bool solve(int)':
mousetrap.cpp:48:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       while (ptr < vals[u].size() && free && use + pref[i] + vals[u][ptr] > md) {
              ~~~~^~~~~~~~~~~~~~~~
mousetrap.cpp:51:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (ptr < vals[u].size() && use + pref[i] + vals[u][ptr] > md) {
           ~~~~^~~~~~~~~~~~~~~~
mousetrap.cpp: In function 'int main()':
mousetrap.cpp:80:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 1; i < tour.size(); ++i) {
                    ~~^~~~~~~~~~~~~
mousetrap.cpp:63:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d %d", &n, &t, &m);
    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
mousetrap.cpp:66:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d", &u, &v);
       ~~~~~^~~~~~~~~~~~~~~~~
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