제출 #563794

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
563794		kartel	던전 (IOI21_dungeons)	C++17	컴파일 에러	0 ms	0 KiB

dungeons

#include <bits/stdc++.h>
//#include "grader.cpp"
#include "dungeons.h"
using namespace std;
typedef long long ll;

const int N = 4e5 + 500;

ll sum_lose[N][30];
ll sum_win[N][30];
ll need_lose[N][30];
ll need_win[N][30];
int up_lose[N][30], up_win[N][30];
//int n;

void init(int n, vector <int> s, vector <int> p, vector <int> w, vector <int> l) {
//    n = _n;
    for (int i = 0; i < n; i++) {
        need_lose[i][0] = s[i]; need_win[i][0] = s[i];
        sum_lose[i][0]  = p[i]; sum_win[i][0]  = s[i];
        up_lose[i][0]   = l[i]; up_win[i][0]   = w[i];
    }

    for (int st = 1; st < 30; st++) {
        for (int i = 0; i < n; i++) {
            if (up_lose[i][st - 1] != n) {
                int to = up_lose[i][st - 1];
                need_lose[i][st] = min(need_lose[i][st - 1], need_lose[to][st - 1] - sum_lose[i][st - 1]);
                sum_lose[i][st] = sum_lose[i][st - 1] + sum_lose[to][st - 1];
                up_lose[i][st] = up_lose[to][st - 1];
            } else {
                up_lose[i][st] = n;
                sum_lose[i][st] = sum_lose[i][st - 1];
                need_lose[i][st] = need_lose[i][st - 1];
            }

            if (up_win[i][st - 1] != n) {
                int to = up_win[i][st - 1];
                need_win[i][st] = max(need_win[i][st - 1], need_win[to][st - 1] - sum_win[i][st - 1]);
                sum_win[i][st] = sum_win[i][st - 1] + sum_win[to][st - 1];
                up_win[i][st] = up_win[to][st - 1];
            } else {
                up_win[i][st] = n;
                sum_win[i][st] = sum_win[i][st - 1];
                need_win[i][st] = need_win[i][st - 1];
            }
        }
    }
}

long long simulate(int x, int start) {
    long long z = start;
    while (x != n) {
        for (int st = 29; st >= 0 && x != n; st--) {
            if (z < need_lose[x][st]) {
                z += sum_lose[x][st];
                x = up_lose[x][st];
            }
        }
        for (int st = 29; st >= 0 && x != n; st--) {
            if (z >= need_win[x][st]) {
                z += sum_win[x][st];
                x = up_win[x][st];
            }
        }
    }
    return z;
}

컴파일 시 표준 에러 (stderr) 메시지

dungeons.cpp: In function 'long long int simulate(int, int)':
dungeons.cpp:53:17: error: 'n' was not declared in this scope
   53 |     while (x != n) {
      |                 ^