제출 #319648

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
319648	2020-11-06 01:24:42	arnold518	Long Distance Coach (JOI17_coach)	C++14	100 / 100	573 ms	49872 KiB

coach

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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 = 4e5;
 
ll X, W, T;
int N, M, K;
 
vector<pll> V;
ll SS[MAXN+10];
pll C[MAXN+10];
ll A[MAXN+10];
 
ll dp[MAXN+10];
map<ll, ll> MM;
ll S[MAXN+10], TT[MAXN+10];
struct Line
{
  ll a, b;
};
long double cross(Line p, Line q) { return (long double)(q.b-p.b)/(p.a-q.a); }
struct CHT
 
 
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컴파일 시 표준 에러 (stderr) 메시지

coach.cpp: In member function 'll CHT::query(ll)':
coach.cpp:48:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   48 |    int mid=lo+hi>>1;
      |            ~~^~~
coach.cpp: In function 'int main()':
coach.cpp:58:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   58 |  scanf("%lld%d%d%lld%lld", &X, &N, &M, &W, &T);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:60:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   60 |  for(int i=1; i<=N; i++) scanf("%lld", &SS[i]);
      |                          ~~~~~^~~~~~~~~~~~~~~~
coach.cpp:77:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   77 |   scanf("%lld%lld", &C[i].first, &C[i].second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:100:4: warning: 'P' may be used uninitialized in this function [-Wmaybe-uninitialized]
  100 |    if(i<=P) S[i]++;
      |    ^~

• Subtask 1: 16 / 16
• Subtask 2: 30 / 30
• Subtask 3: 25 / 25
• Subtask 4: 29 / 29