oj.uz

Submission #492741

# Submission time Handle Problem Language Result Execution time Memory
492741 2021-12-08T16:24:01 Z niloyroot Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 372 ms 256068 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<ll>;
using pl = pair<ll,ll>;
#define pb push_back
#define form(m,it) for(auto it=m.begin(); it!=m.end(); it++)
#define forp(i,a,b) for(ll i=a; i<=b; i++)
#define forn(i,a,b) for(ll i=a; i>=b; i--)
#define newl '\n'
#define ff first
#define ss second
const ll mod = 1000000007;
int cr[3][3005][3005];
int cc[3][3005][3005];
int a[3005][3005];
 
void solve(){
    int h,w; cin>>h>>w;
  	char c;
    forp(i,1,h){
        forp(j,1,w){
        	cin>>c;
           	if(c=='J'){
              	a[i][j]=0;
            }
          	if(c=='O'){
              	a[i][j]=1;
            }
          	if(c=='I'){
              	a[i][j]=2;
            }
        }
    }
    forp(i,1,h){
        forp(j,1,w){
            forp(k,0,2){
                cr[k][i][j]=cr[k][i][j-1]+(a[i][j]==k);
            }
        }
    }
    forp(i,1,h){
        forp(j,1,w){
            forp(k,0,2){
                cc[k][i][j]=cc[k][i-1][j]+(a[i][j]==k);
            }
        }
    }
 
    ll ans=0;
    forp(i,1,h){
        forp(j,1,w){
            if(a[i][j]==0){
                ans+=(cr[1][i][w]-cr[1][i][j-1])*(cc[2][h][j]-cc[2][i-1][j]);
            }
        }
    }
 
    cout<<ans<<newl;
}
 
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t=1; //cin>>t;
    while(t--)solve();
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 2 ms 3404 KB Output is correct
6 Correct 2 ms 3276 KB Output is correct
7 Correct 2 ms 3020 KB Output is correct
8 Correct 2 ms 3404 KB Output is correct
9 Correct 2 ms 3276 KB Output is correct
10 Correct 2 ms 3020 KB Output is correct
11 Correct 2 ms 3404 KB Output is correct
12 Correct 2 ms 3276 KB Output is correct
13 Correct 2 ms 3020 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 2 ms 3404 KB Output is correct
6 Correct 2 ms 3276 KB Output is correct
7 Correct 2 ms 3020 KB Output is correct
8 Correct 2 ms 3404 KB Output is correct
9 Correct 2 ms 3276 KB Output is correct
10 Correct 2 ms 3020 KB Output is correct
11 Correct 2 ms 3404 KB Output is correct
12 Correct 2 ms 3276 KB Output is correct
13 Correct 2 ms 3020 KB Output is correct
14 Correct 15 ms 19660 KB Output is correct
15 Correct 5 ms 12236 KB Output is correct
16 Correct 8 ms 11084 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 19 ms 21144 KB Output is correct
19 Correct 15 ms 20960 KB Output is correct
20 Correct 14 ms 20744 KB Output is correct
21 Correct 21 ms 21460 KB Output is correct
22 Correct 16 ms 21060 KB Output is correct
23 Correct 15 ms 20892 KB Output is correct
24 Correct 19 ms 21340 KB Output is correct
25 Correct 20 ms 21060 KB Output is correct
26 Correct 16 ms 20980 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 2 ms 3404 KB Output is correct
6 Correct 2 ms 3276 KB Output is correct
7 Correct 2 ms 3020 KB Output is correct
8 Correct 2 ms 3404 KB Output is correct
9 Correct 2 ms 3276 KB Output is correct
10 Correct 2 ms 3020 KB Output is correct
11 Correct 2 ms 3404 KB Output is correct
12 Correct 2 ms 3276 KB Output is correct
13 Correct 2 ms 3020 KB Output is correct
14 Correct 15 ms 19660 KB Output is correct
15 Correct 5 ms 12236 KB Output is correct
16 Correct 8 ms 11084 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 19 ms 21144 KB Output is correct
19 Correct 15 ms 20960 KB Output is correct
20 Correct 14 ms 20744 KB Output is correct
21 Correct 21 ms 21460 KB Output is correct
22 Correct 16 ms 21060 KB Output is correct
23 Correct 15 ms 20892 KB Output is correct
24 Correct 19 ms 21340 KB Output is correct
25 Correct 20 ms 21060 KB Output is correct
26 Correct 16 ms 20980 KB Output is correct
27 Correct 367 ms 255708 KB Output is correct
28 Correct 33 ms 66372 KB Output is correct
29 Correct 26 ms 22212 KB Output is correct
30 Correct 2 ms 1100 KB Output is correct
31 Correct 297 ms 212432 KB Output is correct
32 Correct 289 ms 255968 KB Output is correct
33 Correct 257 ms 255196 KB Output is correct
34 Correct 325 ms 246076 KB Output is correct
35 Correct 298 ms 255944 KB Output is correct
36 Correct 259 ms 255328 KB Output is correct
37 Correct 372 ms 256068 KB Output is correct
38 Correct 201 ms 212148 KB Output is correct
39 Correct 191 ms 211384 KB Output is correct