제출 #199351

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
199351	2020-01-31 15:50:16	arnold518	버스 (JOI14_bus)	C++14	85 / 100	274 ms	18012 KiB

bus

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 5e5;
const int MAXM = 5e5;
struct Data
{
  int A, B, X, Y;
};
int N, M, Q;
Data E[MAXM+10];
vector<pii> A[MAXN+10];
int main()
{
  int i, j;
  scanf("%d%d", &N, &M);
  for(i=1; i<=M; i++) scanf("%d%d%d%d", &E[i].A, &E[i].B, &E[i].X, &E[i].Y);
  sort(E+1, E+M+1, [&](const Data &p, const Data &q) { return p.X>q.X; });
  for(i=1; i<=M; i++)
  {
    if(E[i].A==N) continue;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bus.cpp: In function 'int main()':
bus.cpp:22:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
bus.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
bus.cpp:25:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=M; i++) scanf("%d%d%d%d", &E[i].A, &E[i].B, &E[i].X, &E[i].Y);
                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bus.cpp:45:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &Q);
  ~~~~~^~~~~~~~~~
bus.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 50 / 50