제출 #940556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
940556		vjudge1	웜뱃 (IOI13_wombats)	C++17	12 / 100	12464 ms	13292 KiB

wombats

//#pragma once 
#include "wombats.h"
#include <bits/stdc++.h>
#define f first
#define s second
const int INF = 1e9 + 7;
using namespace std;
const int B = 200000 + 10;
int n,m;
vector <pair <int,int> > reb[B];
void init(int R, int C,int H[5000][200], int V[5000][200]) {
    n = R,m = C;
    for(int i = 0;i < n;i++) {
        for(int j = 0;j < m - 1;j++) {
            reb[i*m + j].push_back({i*m + j + 1,H[i][j]});
            reb[i*m + j + 1].push_back({i*m + j,H[i][j]});
        }
    }
    for(int i = 0;i < n - 1;i++) {
        for(int j = 0;j < m;j++) {
            reb[i*m + j].push_back({(i + 1)*m + j,V[i][j]});
        }
    }
};
void changeH(int P, int Q, int W) {
    
};
void changeV(int P, int Q, int W) {
    
};
int dijkstra(int x,int y) {
    int rast[n*m] = {};
    for(int i = 0;i < n*m;i++) {
        rast[i] = INF;
    }
    rast[x] = 0;
    set <pair <int,int> > s;
    s.insert({0,x});
    while(!s.empty()) {
        pair <int,int> v = *s.begin();
        s.erase(s.find(v));
        for(auto u:reb[v.s]) {
            int rst = u.s + v.f;
            if(rst < rast[u.f]) {
                s.erase({rast[u.f],u.f});
                rast[u.f] = rst;
                s.insert({rast[u.f],u.f});
            }
        }
    }
    return rast[m*(n - 1) + y];
}
int escape(int V1, int V2) {
    int x = V1,y = V2;
    return dijkstra(x,y);
};
/*
signed main() {
    ios_base::sync_with_stdio(NULL);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for(int i = 0;i < n;i++) {
        for(int j = 0;j < m - 1;j++) {
            cin >> H[i][j];
        }
    }
    for(int i = 0;i < n - 1;i++) {
        for(int j = 0;j < m;j++) {
            cin >> V[i][j];
        }
    }
    init(n,m);
    int q;
    cin >> q;
    while(q--) {
        int type;
        cin >> type;
        if(type == 3) {
            int x,y;
            cin >> x >> y;
            cout << escape(x,y) << endl;
        }
        else {
            int a,b,c;
            cin >> a >> b >> c;
        }
    }
}
*/

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

• Subtask 1: 0 / 9
• Subtask 2: 12 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24