제출 #252028

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
252028	2020-07-23 19:20:12	Bruteforceman	별자리 3 (JOI20_constellation3)	C++11	100 / 100	514 ms	58872 KiB

constellation3

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#include "bits/stdc++.h"
using namespace std;
using pii = pair <int, int>;
int a[200010];
map <pii, vector <pii>> cont;
vector <int> g[200010];
vector <pii> star[200010];
vector <int> v[200010];
vector <pii> node;
int disc[200010], fin[200010];
int leaf[200010];
long long dp[200010];
int cur;
void dfs(int x) {
  disc[x] = ++cur;
  for(auto i : g[x]) {
    dfs(i);
  }
  fin[x] = cur;
}
long long t[200010];
void update(int x, long long val) {
  for(int i = x; i <= cur; i += i & (-i)) {
    t[i] += val;
  }
}
long long query(int x) {
  long long ans = 0;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

constellation3.cpp: In function 'int main(int, const char**)':
constellation3.cpp:132:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int id = 0; id < node.size(); id++) {
                  ~~~^~~~~~~~~~~~~
constellation3.cpp:89:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
constellation3.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
constellation3.cpp:94:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &m);
  ~~~~~^~~~~~~~~~
constellation3.cpp:97:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &x[i], &y[i], &c[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65