#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define se second
#define fi first
#define pii pair<int,int>
#define pll pair<long long, long long>
ll h,w,power=0;
vector<vector<char>> thingy;
pll os[3001][3001];
void solve(){
memset(os,0,sizeof(os));
cin >> h >> w;
for(int i=0; i<h; i++){
vector<char> bruh;
for(int j=0; j<w; j++){
char temp;
cin >> temp;
bruh.push_back(temp);
}
thingy.push_back(bruh);
}
for(int i=h-1; i>=0; i--){
for(int j=w-1; j>=0; j--){
if(thingy[i][j]=='I'){
if(i==h-1){
os[i][j].fi=1;
os[i][j].se=0;
}else{
os[i][j].fi=os[i+1][j].fi+1;
os[i][j].se=os[i][j+1].se;
}
}else if(thingy[i][j]=='O'){
if(j==w-1){
os[i][j].se=1;
os[i][j].fi=0;
}else{
os[i][j].se=os[i][j+1].se+1;
os[i][j].fi=os[i+1][j].fi;
}
}else{
if(j==w-1){
os[i][j].se=0;
}else{
os[i][j].se=os[i][j+1].se;
}
if(i==h-1){
os[i][j].fi=0;
}else{
os[i][j].fi=os[i+1][j].fi;
}
}
}
}
for(int i=0; i<h; i++){
for(int j=0; j<w; j++){
if(thingy[i][j]=='J'){
power+= os[i][j].fi*os[i][j].se;
}
}
}
cout << power << endl;
return;
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
141280 KB |
Output is correct |
2 |
Correct |
53 ms |
141168 KB |
Output is correct |
3 |
Correct |
48 ms |
141404 KB |
Output is correct |
4 |
Correct |
50 ms |
141200 KB |
Output is correct |
5 |
Correct |
47 ms |
141280 KB |
Output is correct |
6 |
Correct |
46 ms |
141208 KB |
Output is correct |
7 |
Correct |
46 ms |
141312 KB |
Output is correct |
8 |
Correct |
53 ms |
141256 KB |
Output is correct |
9 |
Correct |
44 ms |
141280 KB |
Output is correct |
10 |
Correct |
49 ms |
141288 KB |
Output is correct |
11 |
Correct |
45 ms |
141256 KB |
Output is correct |
12 |
Correct |
54 ms |
141296 KB |
Output is correct |
13 |
Correct |
45 ms |
141264 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
141280 KB |
Output is correct |
2 |
Correct |
53 ms |
141168 KB |
Output is correct |
3 |
Correct |
48 ms |
141404 KB |
Output is correct |
4 |
Correct |
50 ms |
141200 KB |
Output is correct |
5 |
Correct |
47 ms |
141280 KB |
Output is correct |
6 |
Correct |
46 ms |
141208 KB |
Output is correct |
7 |
Correct |
46 ms |
141312 KB |
Output is correct |
8 |
Correct |
53 ms |
141256 KB |
Output is correct |
9 |
Correct |
44 ms |
141280 KB |
Output is correct |
10 |
Correct |
49 ms |
141288 KB |
Output is correct |
11 |
Correct |
45 ms |
141256 KB |
Output is correct |
12 |
Correct |
54 ms |
141296 KB |
Output is correct |
13 |
Correct |
45 ms |
141264 KB |
Output is correct |
14 |
Correct |
56 ms |
141604 KB |
Output is correct |
15 |
Correct |
45 ms |
141332 KB |
Output is correct |
16 |
Correct |
52 ms |
141512 KB |
Output is correct |
17 |
Correct |
49 ms |
141228 KB |
Output is correct |
18 |
Correct |
60 ms |
141692 KB |
Output is correct |
19 |
Correct |
53 ms |
141704 KB |
Output is correct |
20 |
Correct |
59 ms |
141888 KB |
Output is correct |
21 |
Correct |
54 ms |
141772 KB |
Output is correct |
22 |
Correct |
54 ms |
141676 KB |
Output is correct |
23 |
Correct |
52 ms |
141708 KB |
Output is correct |
24 |
Correct |
59 ms |
141804 KB |
Output is correct |
25 |
Correct |
54 ms |
141752 KB |
Output is correct |
26 |
Correct |
50 ms |
141800 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
54 ms |
141280 KB |
Output is correct |
2 |
Correct |
53 ms |
141168 KB |
Output is correct |
3 |
Correct |
48 ms |
141404 KB |
Output is correct |
4 |
Correct |
50 ms |
141200 KB |
Output is correct |
5 |
Correct |
47 ms |
141280 KB |
Output is correct |
6 |
Correct |
46 ms |
141208 KB |
Output is correct |
7 |
Correct |
46 ms |
141312 KB |
Output is correct |
8 |
Correct |
53 ms |
141256 KB |
Output is correct |
9 |
Correct |
44 ms |
141280 KB |
Output is correct |
10 |
Correct |
49 ms |
141288 KB |
Output is correct |
11 |
Correct |
45 ms |
141256 KB |
Output is correct |
12 |
Correct |
54 ms |
141296 KB |
Output is correct |
13 |
Correct |
45 ms |
141264 KB |
Output is correct |
14 |
Correct |
56 ms |
141604 KB |
Output is correct |
15 |
Correct |
45 ms |
141332 KB |
Output is correct |
16 |
Correct |
52 ms |
141512 KB |
Output is correct |
17 |
Correct |
49 ms |
141228 KB |
Output is correct |
18 |
Correct |
60 ms |
141692 KB |
Output is correct |
19 |
Correct |
53 ms |
141704 KB |
Output is correct |
20 |
Correct |
59 ms |
141888 KB |
Output is correct |
21 |
Correct |
54 ms |
141772 KB |
Output is correct |
22 |
Correct |
54 ms |
141676 KB |
Output is correct |
23 |
Correct |
52 ms |
141708 KB |
Output is correct |
24 |
Correct |
59 ms |
141804 KB |
Output is correct |
25 |
Correct |
54 ms |
141752 KB |
Output is correct |
26 |
Correct |
50 ms |
141800 KB |
Output is correct |
27 |
Correct |
238 ms |
150440 KB |
Output is correct |
28 |
Correct |
49 ms |
141436 KB |
Output is correct |
29 |
Correct |
59 ms |
142300 KB |
Output is correct |
30 |
Correct |
49 ms |
141312 KB |
Output is correct |
31 |
Correct |
170 ms |
148212 KB |
Output is correct |
32 |
Correct |
183 ms |
150932 KB |
Output is correct |
33 |
Correct |
168 ms |
150920 KB |
Output is correct |
34 |
Correct |
184 ms |
149172 KB |
Output is correct |
35 |
Correct |
182 ms |
150828 KB |
Output is correct |
36 |
Correct |
163 ms |
150932 KB |
Output is correct |
37 |
Correct |
252 ms |
150988 KB |
Output is correct |
38 |
Correct |
132 ms |
148236 KB |
Output is correct |
39 |
Correct |
124 ms |
148196 KB |
Output is correct |