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Submission #339468

# Submission time Handle Problem Language Result Execution time Memory
339468 2020-12-25T11:05:54 Z bigDuck Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 307 ms 79852 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


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]++;
        }
    }
}

ll 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+=((ll)ing[i][j])*((ll)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 1 ms 1516 KB Output is correct
6 Correct 1 ms 1516 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1516 KB Output is correct
9 Correct 2 ms 1660 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1516 KB Output is correct
12 Correct 1 ms 1516 KB Output is correct
13 Correct 1 ms 1388 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 1 ms 1516 KB Output is correct
6 Correct 1 ms 1516 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1516 KB Output is correct
9 Correct 2 ms 1660 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1516 KB Output is correct
12 Correct 1 ms 1516 KB Output is correct
13 Correct 1 ms 1388 KB Output is correct
14 Correct 12 ms 7404 KB Output is correct
15 Correct 3 ms 5100 KB Output is correct
16 Correct 5 ms 4204 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 12 ms 7788 KB Output is correct
19 Correct 10 ms 7788 KB Output is correct
20 Correct 9 ms 7660 KB Output is correct
21 Correct 12 ms 7788 KB Output is correct
22 Correct 10 ms 7788 KB Output is correct
23 Correct 12 ms 7660 KB Output is correct
24 Correct 12 ms 7788 KB Output is correct
25 Correct 9 ms 7788 KB Output is correct
26 Correct 9 ms 7660 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 1 ms 1516 KB Output is correct
6 Correct 1 ms 1516 KB Output is correct
7 Correct 1 ms 1388 KB Output is correct
8 Correct 1 ms 1516 KB Output is correct
9 Correct 2 ms 1660 KB Output is correct
10 Correct 1 ms 1388 KB Output is correct
11 Correct 1 ms 1516 KB Output is correct
12 Correct 1 ms 1516 KB Output is correct
13 Correct 1 ms 1388 KB Output is correct
14 Correct 12 ms 7404 KB Output is correct
15 Correct 3 ms 5100 KB Output is correct
16 Correct 5 ms 4204 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 12 ms 7788 KB Output is correct
19 Correct 10 ms 7788 KB Output is correct
20 Correct 9 ms 7660 KB Output is correct
21 Correct 12 ms 7788 KB Output is correct
22 Correct 10 ms 7788 KB Output is correct
23 Correct 12 ms 7660 KB Output is correct
24 Correct 12 ms 7788 KB Output is correct
25 Correct 9 ms 7788 KB Output is correct
26 Correct 9 ms 7660 KB Output is correct
27 Correct 292 ms 79852 KB Output is correct
28 Correct 16 ms 26092 KB Output is correct
29 Correct 17 ms 7296 KB Output is correct
30 Correct 1 ms 620 KB Output is correct
31 Correct 222 ms 66612 KB Output is correct
32 Correct 238 ms 79852 KB Output is correct
33 Correct 206 ms 79548 KB Output is correct
34 Correct 261 ms 77164 KB Output is correct
35 Correct 246 ms 79852 KB Output is correct
36 Correct 210 ms 79596 KB Output is correct
37 Correct 307 ms 79852 KB Output is correct
38 Correct 160 ms 66668 KB Output is correct
39 Correct 156 ms 66412 KB Output is correct