제출 #903793

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
903793		AdamGS	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	69 ms	17084 KiB

railroad

#include "railroad.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e18+7;
ll plan_roller_coaster(vector<int>S, vector<int>T) {
  int n=S.size();
  vector<pair<ll,ll>>V;
  rep(i, n) {
    V.pb({S[i], 1});
    V.pb({T[i], -1});
  }
  sort(all(V));
  ll lst=V[0].st, sum=-1, ans=0;
  for(auto i : V) {
    ans+=(i.st-lst)*max(i.nd, 0ll);
    lst=i.st;
  }
  return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

railroad.cpp: In function 'll plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:20:19: warning: unused variable 'sum' [-Wunused-variable]
   20 |   ll lst=V[0].st, sum=-1, ans=0;
      |                   ^~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36