oj.uz

Submission #492878

# Submission time Handle Problem Language Result Execution time Memory
492878 2021-12-09T12:54:32 Z Biaz Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 300 ms 151968 KB 
#include <bits/stdc++.h>
#define int long long
//#define double long double
#define Nanase_Kurumi_aka_menhera_chan_is_mine ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define pb push_back
#define pi pair<int, int>
#define ALL(i) i.begin(),i.end()
#define gcd(i,j) __gcd(i,j)
#define fi first
#define se second
#define eps 0.00000001
#define ist insert
#define DNE nullptr
//#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math")
//#pragma GCC optimize("O2")
int max(int x,int y){return x>=y?x:y;}
int min(int x,int y){return x>=y?y:x;}
using namespace std;
typedef int ll;
const int N=3005;
const int M=1000005;
const int MOD=1000000007;//998244353;
const int INF=1000000000000000000;//2147483647;

int n,m;
string s[N];
int co[N][N],ci[N][N];
inline void sol(){
    cin >>n>>m;
    for (int i=0;i<n;i++)
        cin >>s[i];
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            if (s[i-1][j-1]=='O')
                co[i][j]++;
            co[i][j]+=co[i][j-1];
        }
    }
    for (int j=1;j<=m;j++){
        for (int i=1;i<=n;i++){
            if (s[i-1][j-1]=='I')
                ci[i][j]++;
            ci[i][j]+=ci[i-1][j];
        }
    }
    int ans=0;
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++)
            if (s[i-1][j-1]=='J')
                ans+=(co[i][m]-co[i][j])*(ci[n][j]-ci[i][j]);
    }
    cout <<ans<<'\n';
}
signed main(){
    Nanase_Kurumi_aka_menhera_chan_is_mine
    int _=1;
    //cin >>_;
    while (_--) sol();
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1188 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1188 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1188 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1188 KB Output is correct
14 Correct 8 ms 7836 KB Output is correct
15 Correct 3 ms 3788 KB Output is correct
16 Correct 4 ms 4684 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 7 ms 8780 KB Output is correct
19 Correct 7 ms 8616 KB Output is correct
20 Correct 7 ms 8640 KB Output is correct
21 Correct 9 ms 8780 KB Output is correct
22 Correct 7 ms 8588 KB Output is correct
23 Correct 7 ms 8636 KB Output is correct
24 Correct 7 ms 8780 KB Output is correct
25 Correct 7 ms 8696 KB Output is correct
26 Correct 9 ms 8572 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 1356 KB Output is correct
6 Correct 1 ms 1356 KB Output is correct
7 Correct 1 ms 1228 KB Output is correct
8 Correct 1 ms 1356 KB Output is correct
9 Correct 1 ms 1356 KB Output is correct
10 Correct 1 ms 1188 KB Output is correct
11 Correct 1 ms 1356 KB Output is correct
12 Correct 1 ms 1356 KB Output is correct
13 Correct 1 ms 1188 KB Output is correct
14 Correct 8 ms 7836 KB Output is correct
15 Correct 3 ms 3788 KB Output is correct
16 Correct 4 ms 4684 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 7 ms 8780 KB Output is correct
19 Correct 7 ms 8616 KB Output is correct
20 Correct 7 ms 8640 KB Output is correct
21 Correct 9 ms 8780 KB Output is correct
22 Correct 7 ms 8588 KB Output is correct
23 Correct 7 ms 8636 KB Output is correct
24 Correct 7 ms 8780 KB Output is correct
25 Correct 7 ms 8696 KB Output is correct
26 Correct 9 ms 8572 KB Output is correct
27 Correct 262 ms 151320 KB Output is correct
28 Correct 12 ms 19528 KB Output is correct
29 Correct 13 ms 13824 KB Output is correct
30 Correct 1 ms 844 KB Output is correct
31 Correct 197 ms 125280 KB Output is correct
32 Correct 263 ms 151812 KB Output is correct
33 Correct 262 ms 151448 KB Output is correct
34 Correct 243 ms 145080 KB Output is correct
35 Correct 265 ms 151744 KB Output is correct
36 Correct 260 ms 151420 KB Output is correct
37 Correct 300 ms 151968 KB Output is correct
38 Correct 177 ms 124700 KB Output is correct
39 Correct 179 ms 124752 KB Output is correct