제출 #1178938

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1178938		Muhammet	사이버랜드 (APIO23_cyberland)	C++17	컴파일 에러	0 ms	0 KiB

cyberland

#include "bits/stdc++.h"
#include "cyberland.h"
// #include "stub.cpp"

using namespace std;

#define ff first
#define ss second

vector <vector <pair <int, int>>> v; 

double solve(int n, int m, int k, int h, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
    double ans = 1e16;
    v.clear();
    v.resize(n);
    long long s = 0;
    for(int i = 0; i < m; i++) {
        s += c[i];
        v[x[i]].push_back({y[i], c[i]});
        v[y[i]].push_back({x[i], c[i]});
    }
    k = min(k, int(__lg(s) + 5));
    vector <vector <double>> dis(n+1, vector <double> (k+1, 1e16));
    dis[0][0] = 0;
    priority_queue <pair<double, pair <int, int>>> q;
    q.push({0, {0, 0}});
    while(!q.empty()) {
        double ds = -q.top().ff;
        int i = q.top().ss.ff, cn = q.top().ss.ss;
        q.pop();
        if(i == h) ans = min(ans, ds);
        if(dis[i][cn] != ds) continue;
        for(auto [j, w] : v[i]) {
            double dss = ds + w;
            if(dis[j][cn] > dss) {
                dis[j][cn] = dss;
                q.push({-dis[j][cn], {j, cn}});
            }
            if(arr[j] == 0 and dis[j][cnt] != 0) {
                dis[j][cn] = 0;
                q.push({-dis[j][cn], {j, cn}});
            }
            if(arr[j] == 2 and cn < k) {
                dss /= 2;
                if(dis[j][cn] > dss) {
                    dis[j][cn] = dss;
                    q.push({-dis[j][cn], {j, cn+1}});
                }
            }
        }
    }
    return (ans == 1e16 ? -1 : ans);
}

컴파일 시 표준 에러 (stderr) 메시지

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:39:39: error: 'cnt' was not declared in this scope; did you mean 'cn'?
   39 |             if(arr[j] == 0 and dis[j][cnt] != 0) {
      |                                       ^~~
      |                                       cn