제출 #168069

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
168069		davitmarg	웜뱃 (IOI13_wombats)	C++17	28 / 100	20085 ms	24972 KiB

wombats

/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000009ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 5005;

#ifndef death
#include "wombats.h"
#endif

int n, m, used[5005][202];
int d[5005][202], h[5005][202], v[5005][202];

void djikstra(int v2)
{
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
        {
            d[i][j] = mod;
            used[i][j] = 0;
        }

    priority_queue<pair<int, pair<int, int>>> q;

    d[n - 1][v2] = 0;
    q.push(MP(0, MP(n - 1, v2)));

    while (!q.empty())
    {
        int y = -1, x = -1;
        do
        {
            y = q.top().second.first;
            x = q.top().second.second;
            q.pop();
        } while (used[y][x] && !q.empty());

        if (y == -1 || used[y][x])
            break;
        used[y][x] = 1;

        int Y, X;

        Y = y - 1;
        X = x;
        if (y > 0 && d[Y][X] > d[y][x] + v[Y][X])
        {
            d[Y][X] = d[y][x] + v[Y][X];
            q.push(MP(-d[Y][X], MP(Y, X)));
        }

        Y = y;
        X = x + 1;
        if (x < m - 1 && d[Y][X] > d[y][x] + h[y][x])
        {
            d[Y][X] = d[y][x] + h[y][x];
            q.push(MP(-d[Y][X], MP(Y, X)));
        }

        Y = y;
        X = x - 1;
        if (x > 0 && d[Y][X] > d[y][x] + h[Y][X])
        {
            d[Y][X] = d[y][x] + h[Y][X];
            q.push(MP(-d[Y][X], MP(Y, X)));
        }
    }
}

void changeH(int P, int Q, int W)
{
    h[P][Q] = W;
}

void changeV(int P, int Q, int W)
{
    v[P][Q] = W;
}

int escape(int v1, int v2)
{
    if (m != 1)
        djikstra(v2);
    return d[0][v1];
}

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; j++)
        {
            h[i][j] = H[i][j];
            v[i][j] = V[i][j];
        }
    if (m == 1)
        djikstra(0);
}

#ifdef death

int main()
{
    int N, M, H[5000][200], V[5000][200], Q;
    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, H, V);
    cin >> Q;
    while (Q--)
    {
        int T, Y, X, W;
        cin >> T >> Y >> X;
        if (T == 3)
        {
            cout << "!!!";
            cout << escape(Y, X) << endl;
            continue;
        }
        cin >> W;
        if (T == 1)
            changeH(Y, X, W);
        else
            changeV(Y, X, W);
    }

    return 0;
}

#endif

/*


3 4
0 2 5
7 1 1
0 4 0 
0 0 0 2
0 3 4 7
5
3 2 1
3 3 3
2 0 0 5
1 1 1 6
3 2 1 
 
*/

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]
  int res;
      ^~~

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