oj.uz

Submission #836315

# Submission time Handle Problem Language Result Execution time Memory
836315 2023-08-24T10:06:41 Z green_gold_dog Fire (JOI20_ho_t5) C++17
8 / 100
 1000 ms 65732 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 += st.get(max(0ll, i - t), i + 1).first;
                }
                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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 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 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 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 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 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 1074 ms 65024 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 126 ms 64716 KB Output is correct
3 Correct 154 ms 63096 KB Output is correct
4 Correct 140 ms 65732 KB Output is correct
5 Correct 117 ms 64060 KB Output is correct
6 Correct 124 ms 64520 KB Output is correct
7 Correct 118 ms 64828 KB Output is correct
8 Correct 124 ms 64068 KB Output is correct
9 Correct 120 ms 63072 KB Output is correct
10 Correct 154 ms 62756 KB Output is correct
11 Correct 127 ms 65480 KB Output is correct
12 Correct 136 ms 65092 KB Output is correct
13 Correct 130 ms 64812 KB Output is correct
14 Correct 119 ms 63296 KB Output is correct
15 Correct 122 ms 65604 KB Output is correct
16 Correct 124 ms 65004 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1070 ms 62788 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 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 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 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 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 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Execution timed out 1074 ms 65024 KB Time limit exceeded
34 Halted 0 ms 0 KB -