oj.uz

Submission #963695

# Submission time Handle Problem Language Result Execution time Memory
963695 2024-04-15T13:41:59 Z Maaxle Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 248 ms 206496 KB 
#include <bits/stdc++.h>

#define range(it, a, b) for (ll it = a; it < b; it++)
#define all(x) begin(x), end(x)
#define ll long long
#define ull unsigned long long
#define INF64 ((ll) 1 << 62)
#define INF32 (1 << 30)
#define mset multiset
#define uset unordered_set
#define umap unordered_map 
#define pqueue priority_queue 
#define ptr(A) shared_ptr<A>

using namespace std;

void setio (string name) {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    if (name.size()) {
        freopen((name + ".in").c_str(), "r", stdin);
        freopen((name + ".out").c_str(), "w", stdout);
    }
}

struct TPos {
    ll i, j;
};

ll h, w;
ll orb[3000][3000];
ll ingot[3000][3000];

void solve() {
    cin >> h >> w;

    vector<TPos> q;
    char x;
    range(i, 0, h) {
        range(j, 0, w) {
            cin >> x;
            orb[i][j] = (x == 'O');
            ingot[i][j] = (x == 'I');
            if (x == 'J')
                q.push_back({i, j});
            orb[i][j] += (j ? orb[i][j-1] : 0);
            ingot[i][j] += (i ? ingot[i-1][j] : 0);
        }
    }

    ll ans = 0;
    for (TPos& it : q) {
        ll o = orb[it.i][w-1] - orb[it.i][it.j];
        ll i = ingot[h-1][it.j] - ingot[it.i][it.j];
        ans += o*i;
    }
    cout << ans;
}

int main () {
    setio("");
    ll t = 1; 
    // cin >> t;
    while (t--) solve();
}

// IT'S TOUGH, I KNOW
// BUT YOU'D RATHER DIE FIGHTING THAN LIVE ON YOUR KNEES
// THOUG H YOU WON'T DO NEITHER OF THOSE
// IMPOSSIBLE, AS IT'S AGAINST YOUR NATURE
// AS YOU ALREADY WON
// I SEE YOUR MEDAL HANGING FROM YOUR NECK
// SHINING AS NOTHING YOU'VE EVER HAD

// THOUSANDS AND THOUSANDS OF LINES
// YOU AREADY MADE IT THIS FAR
// AND WHO COULD TELL HOW FAR YOU WILL GET...
// BUT YOU?

// THEN COME ON, YOU BASTARD!
// GO CLEAR YOUR MIND AND STAND
// AS EACH OF THOSE LINES IS A STEP CLOSER
// CLOSER TO THE GREATNESS YOU PURSUE
// CLOSER TO THE GREATNESS YOU ALREADY HAVE

Compilation message

joi2019_ho_t1.cpp: In function 'void setio(std::string)':
joi2019_ho_t1.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen((name + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 8796 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8660 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 8796 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8660 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 8 ms 26328 KB Output is correct
15 Correct 3 ms 23068 KB Output is correct
16 Correct 5 ms 15832 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 10 ms 26796 KB Output is correct
19 Correct 8 ms 25660 KB Output is correct
20 Correct 8 ms 26580 KB Output is correct
21 Correct 9 ms 26836 KB Output is correct
22 Correct 10 ms 26836 KB Output is correct
23 Correct 8 ms 26792 KB Output is correct
24 Correct 10 ms 27092 KB Output is correct
25 Correct 7 ms 25820 KB Output is correct
26 Correct 8 ms 26580 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 8796 KB Output is correct
6 Correct 2 ms 8540 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 2 ms 8660 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 1 ms 6748 KB Output is correct
11 Correct 2 ms 8796 KB Output is correct
12 Correct 1 ms 8540 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 8 ms 26328 KB Output is correct
15 Correct 3 ms 23068 KB Output is correct
16 Correct 5 ms 15832 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 10 ms 26796 KB Output is correct
19 Correct 8 ms 25660 KB Output is correct
20 Correct 8 ms 26580 KB Output is correct
21 Correct 9 ms 26836 KB Output is correct
22 Correct 10 ms 26836 KB Output is correct
23 Correct 8 ms 26792 KB Output is correct
24 Correct 10 ms 27092 KB Output is correct
25 Correct 7 ms 25820 KB Output is correct
26 Correct 8 ms 26580 KB Output is correct
27 Correct 248 ms 193604 KB Output is correct
28 Correct 13 ms 111448 KB Output is correct
29 Correct 12 ms 19092 KB Output is correct
30 Correct 2 ms 4956 KB Output is correct
31 Correct 124 ms 158168 KB Output is correct
32 Correct 134 ms 164828 KB Output is correct
33 Correct 154 ms 196832 KB Output is correct
34 Correct 158 ms 197476 KB Output is correct
35 Correct 175 ms 195960 KB Output is correct
36 Correct 171 ms 196664 KB Output is correct
37 Correct 207 ms 206496 KB Output is correct
38 Correct 101 ms 136768 KB Output is correct
39 Correct 101 ms 158412 KB Output is correct