oj.uz

Submission #788405

# Submission time Handle Problem Language Result Execution time Memory
788405 2023-07-20T08:12:14 Z jmyszka2007 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 359 ms 113280 KB 
#include <bits/stdc++.h>
using namespace std;
template<class A, class B>
ostream& operator<<(ostream& o, const pair<A, B>& p) {
    return o << '(' << p.first << ", " << p.second << ')';
}
template<class T>
auto operator<<(ostream& o, const T& x) -> decltype(x.end(), o) {
    o << '{';
    bool first = true;
    for (const auto& e : x) {
        if (!first) {
            o << ", ";
        }
        o << e;
        first = false;
    }
    return o << '}';
}
#define DEBUG
#ifdef DEBUG
#define fastio()
#define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'
#define check(x) if (!(x)) { cerr << "Check failed: " << #x << " in line " << __LINE__ << endl; exit(1); }
#else
#define fastio() ios_base::sync_with_stdio(0); cin.tie(0);
#define debug(...)
#define check(x) 
#endif
typedef long long ll;
#define pi pair<int, int>
#define pl pair<ll, ll>
#define st first
#define nd second
#define vi vector<int>
#define vll vector<ll>
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
int tab[3010][3010];
int sumd[3010][3010];
int sump[3010][3010];
void solve() {
	int n, m;
	cin >> n >> m;
	for(int i = 1; i <= n; i++) {
		string c;
		cin >> c;
		for(int j = 1; j <= m; j++) {
			if(c[j - 1] == 'O') {
				tab[i][j] = 1;
			}
			if(c[j - 1] == 'I') {
				tab[i][j] = 2;
			}
		}
	}
	for(int j = 1; j <= m; j++) {
		for(int i = n; i >= 1; i--) {
			sumd[j][i] = sumd[j][i + 1];
			if(tab[i][j] == 2) {
				sumd[j][i]++;
			}
		}
	}
	for(int i = 1; i <= n; i++) {
		for(int j = m; j >= 1; j--) {
			sump[i][j] = sump[i][j + 1];
			if(tab[i][j] == 1) {
				sump[i][j]++;
			}
		}
	}
	ll ans = 0;
	for(int i = 1; i <= n; i++) {
		for(int j = 1; j <= m; j++) {
			if(!tab[i][j]) {
				ans += sump[i][j + 1] * sumd[j][i + 1];
			}
		}
	}
	cout << ans << '\n';
}
int main() {
	fastio();
	int t;
	//cin >> t;
	t = 1;	
	while(t--) {
		solve();
	}
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1620 KB Output is correct
6 Correct 1 ms 1464 KB Output is correct
7 Correct 1 ms 1464 KB Output is correct
8 Correct 1 ms 1596 KB Output is correct
9 Correct 2 ms 1460 KB Output is correct
10 Correct 1 ms 1464 KB Output is correct
11 Correct 1 ms 1620 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1464 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1620 KB Output is correct
6 Correct 1 ms 1464 KB Output is correct
7 Correct 1 ms 1464 KB Output is correct
8 Correct 1 ms 1596 KB Output is correct
9 Correct 2 ms 1460 KB Output is correct
10 Correct 1 ms 1464 KB Output is correct
11 Correct 1 ms 1620 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1464 KB Output is correct
14 Correct 10 ms 8200 KB Output is correct
15 Correct 2 ms 3796 KB Output is correct
16 Correct 6 ms 5844 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 12 ms 9480 KB Output is correct
19 Correct 9 ms 9136 KB Output is correct
20 Correct 9 ms 9132 KB Output is correct
21 Correct 13 ms 9532 KB Output is correct
22 Correct 9 ms 9044 KB Output is correct
23 Correct 9 ms 9132 KB Output is correct
24 Correct 12 ms 9428 KB Output is correct
25 Correct 11 ms 9148 KB Output is correct
26 Correct 9 ms 9044 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1620 KB Output is correct
6 Correct 1 ms 1464 KB Output is correct
7 Correct 1 ms 1464 KB Output is correct
8 Correct 1 ms 1596 KB Output is correct
9 Correct 2 ms 1460 KB Output is correct
10 Correct 1 ms 1464 KB Output is correct
11 Correct 1 ms 1620 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1464 KB Output is correct
14 Correct 10 ms 8200 KB Output is correct
15 Correct 2 ms 3796 KB Output is correct
16 Correct 6 ms 5844 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 12 ms 9480 KB Output is correct
19 Correct 9 ms 9136 KB Output is correct
20 Correct 9 ms 9132 KB Output is correct
21 Correct 13 ms 9532 KB Output is correct
22 Correct 9 ms 9044 KB Output is correct
23 Correct 9 ms 9132 KB Output is correct
24 Correct 12 ms 9428 KB Output is correct
25 Correct 11 ms 9148 KB Output is correct
26 Correct 9 ms 9044 KB Output is correct
27 Correct 356 ms 111280 KB Output is correct
28 Correct 9 ms 19264 KB Output is correct
29 Correct 24 ms 18940 KB Output is correct
30 Correct 6 ms 9812 KB Output is correct
31 Correct 252 ms 94736 KB Output is correct
32 Correct 261 ms 112396 KB Output is correct
33 Correct 261 ms 110052 KB Output is correct
34 Correct 293 ms 105128 KB Output is correct
35 Correct 281 ms 110500 KB Output is correct
36 Correct 262 ms 110276 KB Output is correct
37 Correct 359 ms 113280 KB Output is correct
38 Correct 174 ms 93628 KB Output is correct
39 Correct 170 ms 90864 KB Output is correct