제출 #1312556

#제출 시각아이디문제언어결과실행 시간메모리
1312556PagodePaivaRoller Coaster Railroad (IOI16_railroad)C++20
0 / 100
311 ms25732 KiB
#include "railroad.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 500010;

int pref[N];

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    vector <pair <int, int>> v;
    map <int, int> compress;
    vector <int> vv;
    for(auto x : s){
        vv.push_back(x);
    }
    for(auto x : t){
        vv.push_back(x);
    }
    sort(vv.begin(), vv.end());
    for(int i = 1;i <= vv.size();i++){
        int x = vv[i-1];
        compress[x] = i;
    }
    for(auto &x : s){
        x = compress[x];
        pref[x]++;
    }
    for(auto &x : t){
        x = compress[x];
        pref[x]--;
    }
    for(int i = 1;i < N;i++){
        pref[i] += pref[i-1];
    }
    for(int i = 1;i < N;i++){
        if(pref[i] - pref[i-1] < 0){
            return 0;
        }
    }
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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