oj.uz

Submission #294903

# Submission time Handle Problem Language Result Execution time Memory
294903 2020-09-09T10:28:45 Z dolijan Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 696 ms 189420 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mn=3069;
int a[mn][mn];
ll red[mn][mn];
ll kolona[mn][mn];
int main()
{
    int n,m;
    cin>>n>>m;
    for(int i=0;i<n;i++)
    {
        string s;
        cin>>s;
        for(int j=0;j<m;j++)
        {
            if(s[j]=='J') a[i][j]=0;
            else if(s[j]=='O') a[i][j]=1;
            else a[i][j]=2;
        }
    }
    ll kolko=0;
    for(int i=0;i<m;i++)
    {
        if(a[0][i]==2) red[0][i]=1;
    }
    for(int i=0;i<n;i++)
    {
        if(a[i][0]==1) kolona[i][0]=1;
    }
    for(int i=0;i<n;i++)
    {
        for(int j=1;j<m;j++)
        {
            kolona[i][j]=kolona[i][j-1];
            if(a[i][j]==1) kolona[i][j]++;
            //cout<<kolona[i][j]<<" ";
        }
        //cout<<endl;
    }
    for(int i=1;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            red[i][j]=red[i-1][j];
            if(a[i][j]==2) red[i][j]++;
        }
    }
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            if(a[i][j]==0)
            {
                /*cout<<i<<" "<<j<<endl;
                cout<<kolona[i][m-1]<<" "<<kolona[i][j]<<endl;
                cout<<red[n-1][j]<<" "<<red[i][j]<<endl;*/
                kolko+=((kolona[i][m-1]-kolona[i][j])*(red[n-1][j]-red[i][j]));
            }
        }
    }
    cout<<kolko<<endl;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1536 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1536 KB Output is correct
9 Correct 2 ms 1536 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1536 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1408 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1536 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1536 KB Output is correct
9 Correct 2 ms 1536 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1536 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1408 KB Output is correct
14 Correct 20 ms 10324 KB Output is correct
15 Correct 4 ms 5504 KB Output is correct
16 Correct 11 ms 6144 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 24 ms 11640 KB Output is correct
19 Correct 19 ms 11392 KB Output is correct
20 Correct 20 ms 11392 KB Output is correct
21 Correct 25 ms 11648 KB Output is correct
22 Correct 20 ms 11392 KB Output is correct
23 Correct 20 ms 11392 KB Output is correct
24 Correct 24 ms 11648 KB Output is correct
25 Correct 21 ms 11392 KB Output is correct
26 Correct 20 ms 11392 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1536 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1408 KB Output is correct
8 Correct 2 ms 1536 KB Output is correct
9 Correct 2 ms 1536 KB Output is correct
10 Correct 2 ms 1408 KB Output is correct
11 Correct 2 ms 1536 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1408 KB Output is correct
14 Correct 20 ms 10324 KB Output is correct
15 Correct 4 ms 5504 KB Output is correct
16 Correct 11 ms 6144 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 24 ms 11640 KB Output is correct
19 Correct 19 ms 11392 KB Output is correct
20 Correct 20 ms 11392 KB Output is correct
21 Correct 25 ms 11648 KB Output is correct
22 Correct 20 ms 11392 KB Output is correct
23 Correct 20 ms 11392 KB Output is correct
24 Correct 24 ms 11648 KB Output is correct
25 Correct 21 ms 11392 KB Output is correct
26 Correct 20 ms 11392 KB Output is correct
27 Correct 673 ms 188796 KB Output is correct
28 Correct 20 ms 28928 KB Output is correct
29 Correct 42 ms 16376 KB Output is correct
30 Correct 2 ms 896 KB Output is correct
31 Correct 514 ms 154548 KB Output is correct
32 Correct 578 ms 189404 KB Output is correct
33 Correct 556 ms 188704 KB Output is correct
34 Correct 594 ms 179016 KB Output is correct
35 Correct 582 ms 189304 KB Output is correct
36 Correct 558 ms 188776 KB Output is correct
37 Correct 696 ms 189420 KB Output is correct
38 Correct 413 ms 153640 KB Output is correct
39 Correct 398 ms 153848 KB Output is correct