제출 #140651

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
140651	2019-08-04 04:04:11	HellAngel	다리 (APIO19_bridges)	C++14	100 / 100	2344 ms	34972 KiB

bridges

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#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 50500;
const int M = N + N;
const int Q = N + N;
const int MAGIC = 800;
 
struct Edge {
   int l, r;
   int from, to, lim;
   Edge(int l = 0, int r = 0, int from = 0, int to = 0, int lim = 0) :
      l(l), r(r), from(from), to(to), lim(lim) {}
   bool operator < (const Edge &e) const {
      return lim > e.lim;
   }
};
 
vector<Edge> es;
 
struct Query {
   int from, cost, id;
   Query(int from = 0, int cost = 0, int id = 0) :
      from(from), cost(cost), id(id) {}
   bool operator < (const Query &q) const {
      return cost > q.cost;
   }
};
 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bridges.cpp: In function 'int main()':
bridges.cpp:144:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
          while (ptr < all_es.size() && all_es[ptr].lim >= qe.cost) {
                 ~~~~^~~~~~~~~~~~~~~
bridges.cpp:94:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d", &n, &m);
    ~~~~~^~~~~~~~~~~~~~~~~
bridges.cpp:96:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d %d", from + i, to + i, lim + i);
       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridges.cpp:99:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &q);
    ~~~~~^~~~~~~~~~
bridges.cpp:101:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", op + i);
       ~~~~~^~~~~~~~~~~~~~
bridges.cpp:104:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
          scanf("%d %d", &id, &nlim);
          ~~~~~^~~~~~~~~~~~~~~~~~~~~
bridges.cpp:110:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
          scanf("%d %d", &from, &cost);
          ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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