제출 #1312555

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1312555		PagodePaiva	Roller Coaster Railroad (IOI16_railroad)	C++20	컴파일 에러	0 ms	0 KiB

railroad

#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;auto x : vv;i++){
        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.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:21:30: error: expected ')' before ';' token
   21 |     for(int i = 1;auto x : vv;i++){
      |        ~                     ^
      |                              )
railroad.cpp:21:31: error: 'i' was not declared in this scope
   21 |     for(int i = 1;auto x : vv;i++){
      |                               ^
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
      |         ^~~~