oj.uz

Submission #1086609

# Submission time Handle Problem Language Result Execution time Memory
1086609 2024-09-11T06:46:04 Z Dennis_Jason Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 336 ms 220752 KB 
#include <bitset>
#include <cmath>
#include <functional>
#include <algorithm>
#include <numeric>
#include <system_error>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#define pb push_back
#define MOD 1000000007
#define NMAX 200001
#define nl '\n'
#define pii1 pair<int, pair<int,int>>  (1,(1,2));
#define pii pair<int,int>
#define tpl tuple<int,int,int>
#define int long long
using namespace std;
ifstream fin("data.in");
ofstream fout("data.out");
const int INF=1e12;
/*
    ====================DEMONSTRATION======================


    =========================END===========================

 */
int n,m;
int mat[3001][3001];
int ans;
int O[3002][3002];
int I[3002][3002];
signed main() {

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>n>>m;
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=m;++j)
        {
            char x;
            cin>>x;
            if(x=='J')
            {
                mat[i][j]=1;
            }
            else if(x=='O')
            {
                mat[i][j]=2;
            }
            else
            {
                mat[i][j]=3;
            }
        }
    }

    for(int i=n;i>=1;--i)
    {
        for(int j=m;j>=1;--j)
        {
            O[i][j]+=O[i][j+1];
            I[i][j]+=I[i+1][j];
            if(mat[i][j]==2)
            {
                O[i][j]++;
            }
            if(mat[i][j]==3)
            {
                I[i][j]++;
            }
        }
    }

    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=m;++j)
        {
            if(I[i][j] && O[i][j] && mat[i][j]==1)
            {
                ans+=(I[i][j]*O[i][j]);
            }
        }

    }
    cout<<ans;



    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct
14 Correct 10 ms 11120 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 4 ms 6748 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 13 ms 12636 KB Output is correct
19 Correct 8 ms 12276 KB Output is correct
20 Correct 7 ms 12216 KB Output is correct
21 Correct 14 ms 12636 KB Output is correct
22 Correct 8 ms 12304 KB Output is correct
23 Correct 8 ms 12380 KB Output is correct
24 Correct 14 ms 12636 KB Output is correct
25 Correct 8 ms 12380 KB Output is correct
26 Correct 7 ms 12380 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct
14 Correct 10 ms 11120 KB Output is correct
15 Correct 2 ms 5468 KB Output is correct
16 Correct 4 ms 6748 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 13 ms 12636 KB Output is correct
19 Correct 8 ms 12276 KB Output is correct
20 Correct 7 ms 12216 KB Output is correct
21 Correct 14 ms 12636 KB Output is correct
22 Correct 8 ms 12304 KB Output is correct
23 Correct 8 ms 12380 KB Output is correct
24 Correct 14 ms 12636 KB Output is correct
25 Correct 8 ms 12380 KB Output is correct
26 Correct 7 ms 12380 KB Output is correct
27 Correct 333 ms 220084 KB Output is correct
28 Correct 12 ms 29020 KB Output is correct
29 Correct 15 ms 19548 KB Output is correct
30 Correct 1 ms 1116 KB Output is correct
31 Correct 238 ms 182592 KB Output is correct
32 Correct 195 ms 220484 KB Output is correct
33 Correct 174 ms 219988 KB Output is correct
34 Correct 287 ms 211792 KB Output is correct
35 Correct 184 ms 220480 KB Output is correct
36 Correct 176 ms 219924 KB Output is correct
37 Correct 336 ms 220752 KB Output is correct
38 Correct 144 ms 182100 KB Output is correct
39 Correct 143 ms 181888 KB Output is correct