제출 #47398

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
47398	2018-05-02 11:40:37	mirbek01	Construction of Highway (JOI18_construction)	C++17	16 / 100	1090 ms	29624 KiB

construction

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# include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 2;
int n, c[N], a[N], b[N], h[N], fen[N];
int p[18][N], tin[N], tout[N], timer;
pair <int, int> t[N * 4];
vector <int> vec, g[N];
void dfs(int v, int pr = 0){
      tin[v] = ++ timer;
      p[0][v] = pr;
      for(int i = 1; i <= 17; i ++)
            p[i][v] = p[i - 1][p[i - 1][v]];
      for(int to : g[v]){
            if(to == pr) continue;
            h[to] = h[v] + 1;
            dfs(to, v);
      }
      tout[v] = timer;
}
inline bool upper(int a, int b){
      return tin[a] <= tin[b] && tout[a] >= tout[b];
}
inline int lca(int a, int b){
      if(upper(a, b)) return a;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

construction.cpp: In function 'int main()':
construction.cpp:115:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 0; j < vc.size(); j ++){
                            ~~^~~~~~~~~~~
construction.cpp:120:34: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
             printf("%I64d\n", ans);
                                  ^
construction.cpp:122:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 0; j < vc.size(); j ++){
                            ~~^~~~~~~~~~~
construction.cpp:74:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &n);
       ~~~~~^~~~~~~~~~
construction.cpp:77:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &c[i]);
             ~~~~~^~~~~~~~~~~~~
construction.cpp:88:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d", &a[i], &b[i]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 0 / 84