oj.uz

Submission #836346

# Submission time Handle Problem Language Result Execution time Memory
836346 2023-08-24T10:24:50 Z green_gold_dog Fire (JOI20_ho_t5) C++17
8 / 100
 1000 ms 64460 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;
 
constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;
 
random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());
 
template<typename T>
bool assign_max(T& a, T b) {
        if (b > a) {
                a = b;
                return true;
        }
        return false;
}
 
template<typename T>
bool assign_min(T& a, T b) {
        if (b < a) {
                a = b;
                return true;
        }
        return false;
}
 
template<typename T>
T square(T a) {
        return a * a;
}
 
template<>
struct std::hash<pair<ll, ll>> {
        ll operator() (pair<ll, ll> p) const {
                return ((__int128)p.first * MOD + p.second) % INF64;
        }
};
 
struct sparce_table {
        vector<vector<pair<ll, ll>>> arr;
        vector<ll> lg;
        sparce_table(vector<ll> a) {
                lg.push_back(0);
                while (lg.size() <= a.size()) {
                        lg.push_back(lg.back());
                        if ((1 << (lg.back() + 1)) == lg.size() - 1) {
                                lg.back()++;
                        }
                }
                arr.resize(lg.back() + 1, vector<pair<ll, ll>>(a.size()));
                for (ll i = 0; i < a.size(); i++) {
                        arr[0][i] = make_pair(a[i], i);
                }
                for (ll i = 1; i <= lg.back(); i++) {
                        for (ll j = 0; j + (1 << (i - 1)) < a.size(); j++) {
                                arr[i][j] = max(arr[i - 1][j], arr[i - 1][j + (1 << (i - 1))]);
                        }
                }
        }
        pair<ll, ll> get(ll l, ll r) {
                return max(arr[lg[r - l]][l], arr[lg[r - l]][r - (1 << lg[r - l])]);
        }
};
 
void solve() {
        ll n, q;
        cin >> n >> q;
        vector<ll> arr(n);
        for (ll i = 0; i < n; i++) {
                cin >> arr[i];
        }
        sparce_table st(arr);
        for (ll i = 0; i < q; i++) {
                ll l, r, t;
                cin >> t >> l >> r;
                l--;
                ll ans = 0;
                for (ll i = l; i < r; i++) {
                        ans += arr[st.get(max(0ll, i - t), i + 1).second];
                }
                cout << ans << '\n';
        }
}
 
int main() {
        if (IS_FILE) {
                freopen("", "r", stdin);
                freopen("", "w", stdout);
        }
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        ll t = 1;
        if (IS_TEST_CASES) {
                cin >> t;
        }
        for (ll i = 0; i < t; i++) {
                solve();
        }
}

Compilation message

ho_t5.cpp: In constructor 'sparce_table::sparce_table(std::vector<long long int>)':
ho_t5.cpp:57:52: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |                         if ((1 << (lg.back() + 1)) == lg.size() - 1) {
      |                             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
ho_t5.cpp:62:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |                 for (ll i = 0; i < a.size(); i++) {
      |                                ~~^~~~~~~~~~
ho_t5.cpp:66:59: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |                         for (ll j = 0; j + (1 << (i - 1)) < a.size(); j++) {
      |                                        ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:98:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |                 freopen("", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~
ho_t5.cpp:99:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |                 freopen("", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1089 ms 63080 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 127 ms 62636 KB Output is correct
3 Correct 117 ms 61676 KB Output is correct
4 Correct 117 ms 64460 KB Output is correct
5 Correct 108 ms 62708 KB Output is correct
6 Correct 126 ms 63304 KB Output is correct
7 Correct 108 ms 63584 KB Output is correct
8 Correct 111 ms 62488 KB Output is correct
9 Correct 111 ms 61892 KB Output is correct
10 Correct 118 ms 61388 KB Output is correct
11 Correct 114 ms 64252 KB Output is correct
12 Correct 111 ms 63956 KB Output is correct
13 Correct 111 ms 63688 KB Output is correct
14 Correct 120 ms 62220 KB Output is correct
15 Correct 113 ms 64324 KB Output is correct
16 Correct 110 ms 63936 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1077 ms 62228 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Execution timed out 1089 ms 63080 KB Time limit exceeded
34 Halted 0 ms 0 KB -