oj.uz

Submission #1056190

# Submission time Handle Problem Language Result Execution time Memory
1056190 2024-08-13T08:09:46 Z Forested Radio Towers (IOI22_towers) C++17
11 / 100
 4000 ms 1744 KB 
#include <bits/stdc++.h>
using namespace std;

using i32 = int;
using i64 = long long;
template <typename T>
using V = vector<T>;
template <typename T>
using VV = V<V<T>>;
template <typename T>
using VVV = V<V<V<T>>>;

template <typename T>
bool chmin(T &x, const T &y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}

#define OVERRIDE4(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i)
#define REP3(i, l, r) for (i32 i = (i32)(l); i < (i32)(r); ++i)
#define REP(...) OVERRIDE4(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER2(i, n) for (i32 i = (i32)(n)-1; i >= 0; --i)
#define PER3(i, l, r) for (i32 i = (i32)(r)-1; i >= (i32)(l); --i)
#define PER(...) OVERRIDE4(__VA_ARGS__, PER3, PER2)(__VA_ARGS__)
#define ALL(x) begin(x), end(x)
#define LEN(x) (i32) size(x)

void dbg(i32 x) { cerr << x; }
void dbg(i64 x) { cerr << x; }
template <typename T, typename U>
void dbg(pair<T, U> p) {
    cerr << '(' << p.first << ", " << p.second << ')';
}
template <typename T>
void dbg(V<T> arr) {
    cerr << '[';
    REP(i, LEN(arr)) {
        if (i) {
            cerr << ", ";
        }
        dbg(arr[i]);
    }
    cerr << ']';
}
void debug() { cerr << '\n'; }
template <typename Head, typename... Tail>
void debug(Head head, Tail... tail) {
    dbg(head);
    cerr << ", ";
    debug(tail...);
}
#ifdef DEBUGF
#define DBG(...)                       \
    do {                               \
        cerr << #__VA_ARGS__ << " : "; \
        debug(__VA_ARGS__);            \
    } while (false)
#else
#define DBG(...) (void)0
#endif

#include "towers.h"

i32 n;
V<i32> h;

void init(i32 _n, V<i32> _h) {
    n = _n;
    h = _h;
}

i32 max_towers(i32 l, i32 r, i32 d) {
    ++r;
    
    V<i32> g(begin(h) + l, begin(h) + r);
    i32 m = r - l;
    
    V<i32> dp(m, 1);
    REP(i, m) {
        i32 curx = -1;
        REP(j, i + 1, m) {
            if (curx - d >= g[j]) {
                chmax(dp[j], dp[i] + 1);
            }
            if (g[j] - d >= g[i]) {
                chmax(curx, g[j]);
            }
        }
    }
    i32 ans = *max_element(ALL(dp));
    return ans;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4051 ms 1112 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 448 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 344 KB Output is correct
34 Correct 2 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 448 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 344 KB Output is correct
34 Correct 2 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 466 ms 1112 KB Output is correct
37 Correct 890 ms 1488 KB Output is correct
38 Correct 256 ms 1368 KB Output is correct
39 Correct 499 ms 1368 KB Output is correct
40 Correct 198 ms 1620 KB Output is correct
41 Execution timed out 4080 ms 1744 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4034 ms 1492 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4049 ms 852 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 448 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 6 ms 344 KB Output is correct
21 Correct 3 ms 460 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 2 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 344 KB Output is correct
34 Correct 2 ms 344 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 466 ms 1112 KB Output is correct
37 Correct 890 ms 1488 KB Output is correct
38 Correct 256 ms 1368 KB Output is correct
39 Correct 499 ms 1368 KB Output is correct
40 Correct 198 ms 1620 KB Output is correct
41 Execution timed out 4080 ms 1744 KB Time limit exceeded
42 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4051 ms 1112 KB Time limit exceeded
2 Halted 0 ms 0 KB -