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Submission #339466

# Submission time Handle Problem Language Result Execution time Memory
339466 2020-12-25T11:04:58 Z bigDuck Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 352 ms 150892 KB 
#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll

char a[3010][3010];
int n, m;
int ing[3010][3010], orb[3010][3010];



int32_t main(){
INIT
cin>>n>>m;
for(int i=1; i<=n; i++){
    for(int j=1; j<=m; j++){
        cin>>a[i][j];
        if(a[i][j]=='I'){
            ing[i][j]++;
        }
        if(a[i][j]=='O'){
            orb[i][j]++;
        }
    }
}

int res=0;
for(int i=n; i>=1; i--){
    for(int j=m; j>=1; j--){
        orb[i][j]=orb[i][j+1]+orb[i][j];
        ing[i][j]=ing[i+1][j]+ing[i][j];
        if(a[i][j]=='J'){
            res+=ing[i][j]*orb[i][j];
        }
    }
}
cout<<res;



return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 1 ms 1644 KB Output is correct
7 Correct 1 ms 1516 KB Output is correct
8 Correct 2 ms 1644 KB Output is correct
9 Correct 1 ms 1644 KB Output is correct
10 Correct 1 ms 1516 KB Output is correct
11 Correct 1 ms 1644 KB Output is correct
12 Correct 1 ms 1644 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 1 ms 1644 KB Output is correct
7 Correct 1 ms 1516 KB Output is correct
8 Correct 2 ms 1644 KB Output is correct
9 Correct 1 ms 1644 KB Output is correct
10 Correct 1 ms 1516 KB Output is correct
11 Correct 1 ms 1644 KB Output is correct
12 Correct 1 ms 1644 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 11 ms 9068 KB Output is correct
15 Correct 3 ms 5100 KB Output is correct
16 Correct 6 ms 5356 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 14 ms 9964 KB Output is correct
19 Correct 12 ms 9964 KB Output is correct
20 Correct 11 ms 9836 KB Output is correct
21 Correct 13 ms 9964 KB Output is correct
22 Correct 11 ms 9836 KB Output is correct
23 Correct 11 ms 9836 KB Output is correct
24 Correct 14 ms 9964 KB Output is correct
25 Correct 11 ms 9836 KB Output is correct
26 Correct 11 ms 9836 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 2 ms 1644 KB Output is correct
6 Correct 1 ms 1644 KB Output is correct
7 Correct 1 ms 1516 KB Output is correct
8 Correct 2 ms 1644 KB Output is correct
9 Correct 1 ms 1644 KB Output is correct
10 Correct 1 ms 1516 KB Output is correct
11 Correct 1 ms 1644 KB Output is correct
12 Correct 1 ms 1644 KB Output is correct
13 Correct 2 ms 1516 KB Output is correct
14 Correct 11 ms 9068 KB Output is correct
15 Correct 3 ms 5100 KB Output is correct
16 Correct 6 ms 5356 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 14 ms 9964 KB Output is correct
19 Correct 12 ms 9964 KB Output is correct
20 Correct 11 ms 9836 KB Output is correct
21 Correct 13 ms 9964 KB Output is correct
22 Correct 11 ms 9836 KB Output is correct
23 Correct 11 ms 9836 KB Output is correct
24 Correct 14 ms 9964 KB Output is correct
25 Correct 11 ms 9836 KB Output is correct
26 Correct 11 ms 9836 KB Output is correct
27 Correct 344 ms 150892 KB Output is correct
28 Correct 16 ms 26348 KB Output is correct
29 Correct 21 ms 13548 KB Output is correct
30 Correct 2 ms 876 KB Output is correct
31 Correct 258 ms 125548 KB Output is correct
32 Correct 287 ms 150508 KB Output is correct
33 Correct 255 ms 149996 KB Output is correct
34 Correct 303 ms 145636 KB Output is correct
35 Correct 299 ms 150508 KB Output is correct
36 Correct 253 ms 149996 KB Output is correct
37 Correct 352 ms 150636 KB Output is correct
38 Correct 199 ms 124780 KB Output is correct
39 Correct 194 ms 125172 KB Output is correct