Submission #50980

# Submission time Handle Problem Language Result Execution time Memory
50980 2018-06-15T10:58:56 Z SpaimaCarpatilor Wall (CEOI14_wall) C++17
30 / 100
2000 ms 254016 KB
#include<bits/stdc++.h>

using namespace std;

int nodes, nr, N, M, ver[409][409], hor[409][409], verC[409][409], horC[409][409], city[409][409], code[42][42][1030];
pair < int, int > cell[409 * 409];

vector < pair < int, int > > v[1700009];
long long dist[2000009];
void addEdge (int x, int y, int z)
{
    v[x].push_back ({y, z});
    v[y].push_back ({x, z});
}

priority_queue < pair < long long, int > > PQ;
long long dijkstra (int source, int destination)
{
    for (int i=1; i<=nodes; i++)
        dist[i] = 1LL << 60;
    dist[source] = 0, PQ.push ({0, source});
    while (!PQ.empty ())
    {
        auto curr = PQ.top ();
        PQ.pop ();
        if (dist[curr.second] != -curr.first) continue;
        int nod = curr.second;
        for (auto it : v[nod])
            if (dist[it.first] > dist[nod] + it.second)
                dist[it.first] = dist[nod] + it.second, PQ.push ({-dist[it.first], it.first});
    }
    return dist[destination];
}

int main ()
{
//freopen ("input", "r", stdin);
//freopen ("output", "w", stdout);

scanf ("%d %d", &N, &M);
for (int i=1; i<=N; i++)
    for (int j=1; j<=M; j++)
    {
        scanf ("%d", &city[i][j]);
        if (city[i][j])
            cell[nr ++] = {i, j};
    }
for (int i=1; i<=N; i++)
    for (int j=0; j<=M; j++)
    {
        scanf ("%d", &verC[i - 1][j]);
        for (int k=0; k<nr; k++)
            if (cell[k].first == i && cell[k].second <= j)
                ver[i - 1][j] |= 1 << k;
    }
for (int i=0; i<=N; i++)
    for (int j=0; j<M; j++)
        scanf ("%d", &horC[i][j]);
for (int i=0; i<=N; i++)
    for (int j=0; j<=M; j++)
        for (int k=0; k<(1 << nr); k++)
            code[i][j][k] = ++nodes;
for (int i=0; i<=N; i++)
    for (int j=0; j<=M; j++)
    {
        if (i < N)
        {
            for (int k=0; k<(1 << nr); k++)
                addEdge (code[i][j][k], code[i + 1][j][k ^ ver[i][j]], verC[i][j]);
        }
        if (j < M)
        {
            for (int k=0; k<(1 << nr); k++)
                addEdge (code[i][j][k], code[i][j + 1][k], horC[i][j]);
        }
    }
printf ("%lld\n", dijkstra (code[0][0][0], code[0][0][(1 << nr) - 1]));
return 0;
}

Compilation message

wall.cpp: In function 'int main()':
wall.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf ("%d %d", &N, &M);
 ~~~~~~^~~~~~~~~~~~~~~~~
wall.cpp:44:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d", &city[i][j]);
         ~~~~~~^~~~~~~~~~~~~~~~~~~
wall.cpp:51:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d", &verC[i - 1][j]);
         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
wall.cpp:58:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d", &horC[i][j]);
         ~~~~~~^~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 36 ms 40952 KB Output is correct
2 Correct 40 ms 41200 KB Output is correct
3 Correct 36 ms 41200 KB Output is correct
4 Correct 40 ms 41272 KB Output is correct
5 Correct 35 ms 41272 KB Output is correct
6 Correct 46 ms 44576 KB Output is correct
7 Correct 886 ms 91812 KB Output is correct
8 Correct 62 ms 91812 KB Output is correct
9 Correct 38 ms 91812 KB Output is correct
10 Correct 40 ms 91812 KB Output is correct
11 Correct 1442 ms 112280 KB Output is correct
12 Correct 103 ms 112280 KB Output is correct
13 Correct 579 ms 112280 KB Output is correct
14 Correct 1919 ms 136936 KB Output is correct
15 Correct 41 ms 136936 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 84 ms 136936 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 407 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 436 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Correct 44 ms 225300 KB Output is correct
5 Runtime error 100 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 96 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 97 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 412 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Correct 261 ms 225300 KB Output is correct
10 Correct 53 ms 225300 KB Output is correct
11 Runtime error 219 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 89 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 539 ms 225300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 455 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Correct 257 ms 254016 KB Output is correct
16 Correct 47 ms 254016 KB Output is correct
17 Runtime error 97 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 89 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
# Verdict Execution time Memory Grader output
1 Runtime error 108 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 110 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 125 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Runtime error 277 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 1854 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 122 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 149 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 180 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 135 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 147 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Execution timed out 2074 ms 254016 KB Time limit exceeded
12 Runtime error 243 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 294 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 619 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 182 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 173 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 177 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 175 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 267 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 524 ms 254016 KB Execution killed with signal 11 (could be triggered by violating memory limits)