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Submission #69146

# Submission time Handle Problem Language Result Execution time Memory
69146 2018-08-20T07:47:40 Z red1108 None (KOI18_watertank) C++17
100 / 100
 1240 ms 207564 KB 
#include <bits/stdc++.h>
using namespace std;
int dis[1000010];
vector<pair<int,int> > graph[1000010];
priority_queue<pair<int,int> > pq;
int n, m, h;
bool visit[1000100];
int main()
{
    int i, j, ina, st,from,to;
    scanf("%d %d %d", &n,&m,&h);
    st=n*m+1;
    for(i=1;i<=n+1;i++)
    {
        for(j=1;j<=m;j++)
        {
            scanf("%d", &ina);
            if(ina==-1) ina=h;
            from=(i-2)*m+j;
            to=(i-1)*m+j;
            if(from<1||from>n*m) from=st;
            if(to<1||to>n*m) to=st;
            graph[from].push_back({ina,to});
            graph[to].push_back({ina,from});
        }
    }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=m+1;j++)
        {
            scanf("%d", &ina);
            if(ina==-1) ina=h;
            from=(i-1)*m+j-1;
            to=(i-1)*m+j;
            if(j==1) from=st;
            if(j==m+1) to=st;
            graph[from].push_back({ina,to});
            graph[to].push_back({ina,from});
        }
    }
    visit[st]=1;
    pq.push({0,st});
    while(!pq.empty())
    {
        int cur=pq.top().second;
        if((-1)*pq.top().first>dis[cur]){pq.pop();continue;}
        pq.pop();
        for(auto i:graph[cur])
        {
            if(!visit[i.second]||dis[i.second]>max(dis[cur],i.first))
            {
                dis[i.second]=max(dis[cur],i.first);
                visit[i.second]=1;
                pq.push({-dis[i.second],i.second});
            }
        }
    }
    long long ans=0;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=m;j++)
        {
            ans=ans+dis[(i-1)*m+j];
        }
    }
    printf("%lld", ans);
}

Compilation message

watertank.cpp: In function 'int main()':
watertank.cpp:11:10: 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:17:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &ina);
             ~~~~~^~~~~~~~~~~~
watertank.cpp:31:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &ina);
             ~~~~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 23800 KB Output is correct
2 Correct 24 ms 24040 KB Output is correct
3 Correct 28 ms 24236 KB Output is correct
4 Correct 23 ms 24236 KB Output is correct
5 Correct 27 ms 24236 KB Output is correct
6 Correct 26 ms 24236 KB Output is correct
7 Correct 23 ms 24236 KB Output is correct
8 Correct 23 ms 24236 KB Output is correct
9 Correct 22 ms 24236 KB Output is correct
10 Correct 22 ms 24236 KB Output is correct
11 Correct 25 ms 24236 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 24236 KB Output is correct
2 Correct 22 ms 24236 KB Output is correct
3 Correct 23 ms 24236 KB Output is correct
4 Correct 28 ms 24356 KB Output is correct
5 Correct 30 ms 24356 KB Output is correct
6 Correct 28 ms 24356 KB Output is correct
7 Correct 30 ms 24384 KB Output is correct
8 Correct 31 ms 24384 KB Output is correct
9 Correct 28 ms 24384 KB Output is correct
10 Correct 27 ms 24440 KB Output is correct
11 Correct 29 ms 24440 KB Output is correct
12 Correct 26 ms 24440 KB Output is correct
13 Correct 26 ms 24460 KB Output is correct
14 Correct 24 ms 24472 KB Output is correct
15 Correct 25 ms 24472 KB Output is correct
16 Correct 26 ms 24472 KB Output is correct
17 Correct 27 ms 24504 KB Output is correct
18 Correct 23 ms 24504 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 582 ms 82368 KB Output is correct
2 Correct 25 ms 82368 KB Output is correct
3 Correct 482 ms 82368 KB Output is correct
4 Correct 572 ms 87816 KB Output is correct
5 Correct 25 ms 87816 KB Output is correct
6 Correct 892 ms 101284 KB Output is correct
7 Correct 572 ms 101284 KB Output is correct
8 Correct 610 ms 105852 KB Output is correct
9 Correct 489 ms 105852 KB Output is correct
10 Correct 24 ms 105852 KB Output is correct
11 Correct 820 ms 117132 KB Output is correct
12 Correct 23 ms 117132 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 117132 KB Output is correct
2 Correct 24 ms 117132 KB Output is correct
3 Correct 28 ms 117132 KB Output is correct
4 Correct 32 ms 117132 KB Output is correct
5 Correct 24 ms 117132 KB Output is correct
6 Correct 26 ms 117132 KB Output is correct
7 Correct 25 ms 117132 KB Output is correct
8 Correct 24 ms 117132 KB Output is correct
9 Correct 25 ms 117132 KB Output is correct
10 Correct 28 ms 117132 KB Output is correct
11 Correct 25 ms 117132 KB Output is correct
12 Correct 23 ms 117132 KB Output is correct
13 Correct 31 ms 117132 KB Output is correct
14 Correct 30 ms 117132 KB Output is correct
15 Correct 22 ms 117132 KB Output is correct
16 Correct 24 ms 117132 KB Output is correct
17 Correct 24 ms 117132 KB Output is correct
18 Correct 26 ms 117132 KB Output is correct
19 Correct 22 ms 117132 KB Output is correct

Subtask #5
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 117132 KB Output is correct
2 Correct 23 ms 117132 KB Output is correct
3 Correct 24 ms 117132 KB Output is correct
4 Correct 22 ms 117132 KB Output is correct
5 Correct 30 ms 117132 KB Output is correct
6 Correct 574 ms 121188 KB Output is correct
7 Correct 24 ms 121188 KB Output is correct
8 Correct 24 ms 121188 KB Output is correct
9 Correct 549 ms 121188 KB Output is correct
10 Correct 23 ms 121188 KB Output is correct
11 Correct 23 ms 121188 KB Output is correct
12 Correct 635 ms 132376 KB Output is correct
13 Correct 581 ms 132376 KB Output is correct
14 Correct 23 ms 132376 KB Output is correct
15 Correct 575 ms 136204 KB Output is correct
16 Correct 24 ms 136204 KB Output is correct
17 Correct 23 ms 136204 KB Output is correct
18 Correct 24 ms 136204 KB Output is correct
19 Correct 536 ms 143092 KB Output is correct
20 Correct 25 ms 143092 KB Output is correct
21 Correct 1240 ms 163392 KB Output is correct
22 Correct 30 ms 163392 KB Output is correct
23 Correct 26 ms 163392 KB Output is correct
24 Correct 29 ms 163392 KB Output is correct
25 Correct 30 ms 163392 KB Output is correct
26 Correct 23 ms 163392 KB Output is correct
27 Correct 29 ms 163392 KB Output is correct
28 Correct 967 ms 166448 KB Output is correct
29 Correct 996 ms 170960 KB Output is correct
30 Correct 569 ms 170960 KB Output is correct
31 Correct 607 ms 175672 KB Output is correct
32 Correct 618 ms 179160 KB Output is correct
33 Correct 25 ms 179160 KB Output is correct
34 Correct 508 ms 179160 KB Output is correct
35 Correct 26 ms 179160 KB Output is correct
36 Correct 28 ms 179160 KB Output is correct
37 Correct 24 ms 179160 KB Output is correct
38 Correct 839 ms 192624 KB Output is correct
39 Correct 1137 ms 204624 KB Output is correct
40 Correct 24 ms 204624 KB Output is correct
41 Correct 27 ms 204624 KB Output is correct
42 Correct 27 ms 204624 KB Output is correct
43 Correct 27 ms 204624 KB Output is correct
44 Correct 545 ms 204624 KB Output is correct
45 Correct 1099 ms 207564 KB Output is correct
46 Correct 26 ms 207564 KB Output is correct