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Submission #65667

# Submission time Handle Problem Language Result Execution time Memory
65667 2018-08-08T11:12:45 Z imeimi2000 None (KOI18_watertank) C++17
100 / 100
 477 ms 157428 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_map>
#include <functional>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>

using namespace std;
typedef long long llong;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<llong, llong> pll;

int n, m, h;
int hp[1001][1001];
int vp[1001][1001];
int dist[1001][1001];

vector<pii> hs[1001];
int main() {
    scanf("%d%d%d", &n, &m, &h);
    for (int i = 0; i <= n; ++i) {
        for (int j = 1; j <= m; ++j) {
            scanf("%d", hp[i] + j);
            if (hp[i][j] == -1) hp[i][j] = h;
        }
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 0; j <= m; ++j) {
            scanf("%d", vp[i] + j);
            if (vp[i][j] == -1) vp[i][j] = h;
        }
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= m; ++j) {
            dist[i][j] = h;
        }
    }
    for (int i = 1; i <= n; ++i) {
        dist[i][1] = min(dist[i][1], vp[i][0]);
        dist[i][m] = min(dist[i][m], vp[i][m]);
    }
    for (int i = 1; i <= m; ++i) {
        dist[1][i] = min(dist[1][i], hp[0][i]);
        dist[n][i] = min(dist[n][i], hp[n][i]);
    }
    
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= m; ++j) {
            hs[dist[i][j]].emplace_back(i, j);
        }
    }
    
    for (int it = 0; it < h; ++it) {
        vector<pii> &st = hs[it];
        while (!st.empty()) {
            int x, y;
            tie(x, y) = st.back();
            st.pop_back();
            if (dist[x][y] != it) continue;
            int d;
            d = max(dist[x][y], hp[x - 1][y]);
            if (d < dist[x - 1][y]) {
                hs[dist[x - 1][y] = d].emplace_back(x - 1, y);
            }
            
            d = max(dist[x][y], hp[x][y]);
            if (d < dist[x + 1][y]) {
                hs[dist[x + 1][y] = d].emplace_back(x + 1, y);
            }
            
            d = max(dist[x][y], vp[x][y - 1]);
            if (d < dist[x][y - 1]) {
                hs[dist[x][y - 1] = d].emplace_back(x, y - 1);
            }
            
            d = max(dist[x][y], vp[x][y]);
            if (d < dist[x][y + 1]) {
                hs[dist[x][y + 1] = d].emplace_back(x, y + 1);
            }
        }
    }
    
    int ans = 0;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= m; ++j) {
            ans += dist[i][j];
        }
    }
    printf("%d\n", ans);
	return 0;
}

Compilation message

watertank.cpp: In function 'int main()':
watertank.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &h);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
watertank.cpp:31:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", hp[i] + j);
             ~~~~~^~~~~~~~~~~~~~~~~
watertank.cpp:37:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", vp[i] + j);
             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 664 KB Output is correct
5 Correct 2 ms 664 KB Output is correct
6 Correct 3 ms 772 KB Output is correct
7 Correct 3 ms 772 KB Output is correct
8 Correct 2 ms 772 KB Output is correct
9 Correct 4 ms 780 KB Output is correct
10 Correct 3 ms 780 KB Output is correct
11 Correct 2 ms 780 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 780 KB Output is correct
2 Correct 3 ms 780 KB Output is correct
3 Correct 4 ms 856 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 4 ms 856 KB Output is correct
6 Correct 3 ms 856 KB Output is correct
7 Correct 3 ms 856 KB Output is correct
8 Correct 3 ms 856 KB Output is correct
9 Correct 2 ms 920 KB Output is correct
10 Correct 3 ms 928 KB Output is correct
11 Correct 4 ms 988 KB Output is correct
12 Correct 2 ms 988 KB Output is correct
13 Correct 4 ms 988 KB Output is correct
14 Correct 3 ms 1004 KB Output is correct
15 Correct 3 ms 1004 KB Output is correct
16 Correct 3 ms 1004 KB Output is correct
17 Correct 3 ms 1004 KB Output is correct
18 Correct 2 ms 1004 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 233 ms 26880 KB Output is correct
2 Correct 3 ms 26880 KB Output is correct
3 Correct 178 ms 30968 KB Output is correct
4 Correct 191 ms 35868 KB Output is correct
5 Correct 2 ms 35868 KB Output is correct
6 Correct 262 ms 41684 KB Output is correct
7 Correct 211 ms 45900 KB Output is correct
8 Correct 214 ms 58032 KB Output is correct
9 Correct 193 ms 58032 KB Output is correct
10 Correct 2 ms 58032 KB Output is correct
11 Correct 345 ms 61744 KB Output is correct
12 Correct 2 ms 61744 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 61744 KB Output is correct
2 Correct 2 ms 61744 KB Output is correct
3 Correct 2 ms 61744 KB Output is correct
4 Correct 3 ms 61744 KB Output is correct
5 Correct 2 ms 61744 KB Output is correct
6 Correct 2 ms 61744 KB Output is correct
7 Correct 3 ms 61744 KB Output is correct
8 Correct 4 ms 61744 KB Output is correct
9 Correct 2 ms 61744 KB Output is correct
10 Correct 4 ms 61744 KB Output is correct
11 Correct 4 ms 61744 KB Output is correct
12 Correct 3 ms 61744 KB Output is correct
13 Correct 3 ms 61744 KB Output is correct
14 Correct 2 ms 61744 KB Output is correct
15 Correct 4 ms 61744 KB Output is correct
16 Correct 4 ms 61744 KB Output is correct
17 Correct 4 ms 61744 KB Output is correct
18 Correct 4 ms 61744 KB Output is correct
19 Correct 3 ms 61744 KB Output is correct

Subtask #5
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 61744 KB Output is correct
2 Correct 3 ms 61744 KB Output is correct
3 Correct 3 ms 61744 KB Output is correct
4 Correct 2 ms 61744 KB Output is correct
5 Correct 4 ms 61744 KB Output is correct
6 Correct 239 ms 65908 KB Output is correct
7 Correct 4 ms 65908 KB Output is correct
8 Correct 3 ms 65908 KB Output is correct
9 Correct 202 ms 70900 KB Output is correct
10 Correct 5 ms 70900 KB Output is correct
11 Correct 3 ms 70900 KB Output is correct
12 Correct 233 ms 76868 KB Output is correct
13 Correct 212 ms 80884 KB Output is correct
14 Correct 3 ms 80884 KB Output is correct
15 Correct 242 ms 86000 KB Output is correct
16 Correct 3 ms 86000 KB Output is correct
17 Correct 4 ms 86000 KB Output is correct
18 Correct 3 ms 86000 KB Output is correct
19 Correct 224 ms 91108 KB Output is correct
20 Correct 5 ms 91108 KB Output is correct
21 Correct 477 ms 108296 KB Output is correct
22 Correct 4 ms 108296 KB Output is correct
23 Correct 2 ms 108296 KB Output is correct
24 Correct 3 ms 108296 KB Output is correct
25 Correct 3 ms 108296 KB Output is correct
26 Correct 4 ms 108296 KB Output is correct
27 Correct 3 ms 108296 KB Output is correct
28 Correct 279 ms 108296 KB Output is correct
29 Correct 247 ms 111404 KB Output is correct
30 Correct 195 ms 115652 KB Output is correct
31 Correct 263 ms 127684 KB Output is correct
32 Correct 213 ms 127684 KB Output is correct
33 Correct 2 ms 127684 KB Output is correct
34 Correct 177 ms 129652 KB Output is correct
35 Correct 3 ms 129652 KB Output is correct
36 Correct 2 ms 129652 KB Output is correct
37 Correct 3 ms 129652 KB Output is correct
38 Correct 235 ms 137212 KB Output is correct
39 Correct 308 ms 151072 KB Output is correct
40 Correct 3 ms 151072 KB Output is correct
41 Correct 3 ms 151072 KB Output is correct
42 Correct 4 ms 151072 KB Output is correct
43 Correct 4 ms 151072 KB Output is correct
44 Correct 198 ms 151072 KB Output is correct
45 Correct 312 ms 157428 KB Output is correct
46 Correct 3 ms 157428 KB Output is correct