제출 #132643

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
132643	2019-07-19 09:20:47	Just_Solve_The_Problem	Election Campaign (JOI15_election_campaign)	C++11	30 / 100	528 ms	26744 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
const int N = (int)1e5 + 7;
vector <int> gr[N];
int n, m;
vector <tuple<int, int, int>> vec;
int tin[N], tout[N], lc[17][N], sz[N];
int tiktak;
void dfs(int v, int pr) {
  tin[v] = ++tiktak;
  lc[0][v] = pr;
  for (int i = 1; i < 17; i++) {
    lc[i][v] = lc[i - 1][lc[i - 1][v]];
  }
  sz[v] = 1;
  for (int to : gr[v]) {
    if (to == pr) continue;
    dfs(to, v);
    sz[v] += sz[to];
  }
  tout[v] = ++tiktak;
}
bool upper(int a, int b) {
  return tin[a] <= tin[b] && tout[a] >= tout[b];
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

election_campaign.cpp: In function 'int solve1()':
election_campaign.cpp:83:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); i++) {
                     ~~^~~~~~~~~~
election_campaign.cpp:84:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for (int j = 0; j < v.size(); j++) {
                       ~~^~~~~~~~~~
election_campaign.cpp: At global scope:
election_campaign.cpp:204:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
election_campaign.cpp: In function 'int main()':
election_campaign.cpp:237:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
   printf("%d\n", st[id[1]].size());
                  ~~~~~~~~~~~~~~~~^
election_campaign.cpp:205:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
election_campaign.cpp:209:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &u, &v);
     ~~~~~^~~~~~~~~~~~~~~~~
election_campaign.cpp:214:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &m);
   ~~~~~^~~~~~~~~~
election_campaign.cpp:217:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &u, &v, &w);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 30
• Subtask 5: 10 / 10
• Subtask 6: 0 / 40