제출 #61235

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
61235	2018-07-25 11:55:13	dukati8	Fireworks (APIO16_fireworks)	C++14	26 / 100	39 ms	1660 KiB

fireworks

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#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i=a; i<int(b); i++)
int main() {
  int n,m;
  cin >> n >> m;
  vector<int>p(n+m);
  vector<long long>c(n+m);
  p[0]=-1;
  c[0]=-1;
  rep (i,1,n+m) {
    cin >> p[i] >> c[i];
    p[i]--; //0-indexed
  }
  if (n==1 && m<=100) {
    rep (i,1,m+1) {
      assert(p[i]==0);
    }
    sort(c.begin(),c.end());
    long long goal=c[m/2+1];
    long long ans=0;
    rep (i,1,m+1) {
      ans+=abs(goal-c[i]);
    }
    cout << ans << endl;
  }
  else {
    //assume N+M <=300 and longest path <=300;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fireworks.cpp: In function 'int main()':
fireworks.cpp:46:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (done[p[i]]==children[p[i]].size()) {
           ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
fireworks.cpp:66:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if (done[p[curr]]==children[p[curr]].size()) ready.push(p[curr]);
           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 19 / 19
• Subtask 3: 0 / 29
• Subtask 4: 0 / 45