oj.uz

Submission #1088834

# Submission time Handle Problem Language Result Execution time Memory
1088834 2024-09-15T09:36:58 Z LucasLe Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 174 ms 88916 KB 
#include <bits/stdc++.h>


#define                int  long long
#define              moony  long long
#define                pii  pair<int, int>
#define                 fi  first
#define                 se  second
#define                 ld  long double
#define                 vi  vector<int>
#define                vii  vector<vector<int>>
#define             all(v)  (v).begin(), (v).end()
#define       rep(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i)
#define       per(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i)

using namespace std;

const int MOD = 1e9 + 7;

int add(int a, int b) {
  a += b;
  if (a >= MOD) a -= MOD;
  return a;
}

int mul(int a, int b) {
  (a *= b) %= MOD;
  return a;
}

int ceil(int x, int y) {
  return (x + y - 1) / y;
}

int bin_pow(int x, int y) {
  int res = 1;
  while (y) {
    if (y & 1) res = res * x % MOD;
    x = x * x % MOD;
    y >>= 1;
  }
  return res;
}

template<class T> bool minimize(T& a, T b) {
  if (a > b) return a = b, true;
  return false;
}

template<class T> bool maximize(T& a, T b) {
  if (a < b) return a = b, true;
  return false;
}

const int INF = 1e17;
const int maxn = 3e3 + 5;

int n, m, ans;
int a[maxn + 5][maxn + 5];
string s[maxn + 5];

void solve(int tc) {
  cin >> n >> m;
  for (int i = 1; i <= n; ++i) {
    cin >> s[i];
    s[i] = " " + s[i];
    for (int j = m, cnt = 0; j >= 1; --j) {
      if (s[i][j] == 'O') cnt++;
      if (s[i][j] == 'J')
        a[i][j] = cnt;
    }
  }
  for (int j = 1; j <= m; ++j) {
    for (int i = n, cnt = 0; i >= 1; --i) {
      if (s[i][j] == 'I') cnt++;
      if (s[i][j] == 'J')
        ans += a[i][j] * cnt;
    }
  }
  cout << ans;
}

signed main() {

  ios_base::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);

  int tc = 1;
  //cin >> tc;

  for (int i = 1; i <= tc; ++i) {
    solve(i);
  }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 0 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 820 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 0 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 820 KB Output is correct
14 Correct 5 ms 4308 KB Output is correct
15 Correct 1 ms 2140 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 5 ms 4956 KB Output is correct
19 Correct 2 ms 3900 KB Output is correct
20 Correct 2 ms 3676 KB Output is correct
21 Correct 5 ms 4956 KB Output is correct
22 Correct 3 ms 4188 KB Output is correct
23 Correct 2 ms 3672 KB Output is correct
24 Correct 7 ms 4956 KB Output is correct
25 Correct 2 ms 3932 KB Output is correct
26 Correct 2 ms 3676 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 1 ms 860 KB Output is correct
9 Correct 1 ms 860 KB Output is correct
10 Correct 0 ms 860 KB Output is correct
11 Correct 0 ms 860 KB Output is correct
12 Correct 1 ms 860 KB Output is correct
13 Correct 1 ms 820 KB Output is correct
14 Correct 5 ms 4308 KB Output is correct
15 Correct 1 ms 2140 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Correct 5 ms 4956 KB Output is correct
19 Correct 2 ms 3900 KB Output is correct
20 Correct 2 ms 3676 KB Output is correct
21 Correct 5 ms 4956 KB Output is correct
22 Correct 3 ms 4188 KB Output is correct
23 Correct 2 ms 3672 KB Output is correct
24 Correct 7 ms 4956 KB Output is correct
25 Correct 2 ms 3932 KB Output is correct
26 Correct 2 ms 3676 KB Output is correct
27 Correct 174 ms 87744 KB Output is correct
28 Correct 5 ms 9308 KB Output is correct
29 Correct 4 ms 4700 KB Output is correct
30 Correct 1 ms 828 KB Output is correct
31 Correct 121 ms 71612 KB Output is correct
32 Correct 70 ms 66288 KB Output is correct
33 Correct 62 ms 53584 KB Output is correct
34 Correct 131 ms 83028 KB Output is correct
35 Correct 72 ms 72272 KB Output is correct
36 Correct 65 ms 53688 KB Output is correct
37 Correct 165 ms 88916 KB Output is correct
38 Correct 44 ms 49124 KB Output is correct
39 Correct 46 ms 38996 KB Output is correct