oj.uz

Submission #1094370

# Submission time Handle Problem Language Result Execution time Memory
1094370 2024-09-29T13:15:16 Z thangdz2k7 Treatment Project (JOI20_treatment) C++17
35 / 100
 3000 ms 7348 KB 
// author : thembululquaUwU
// 3.9.2024

#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define endl '\n'

using namespace std;
using ll = long long;
using ii = pair <int, int>;
using li = pair <ll, int>;
using vi = vector <int>;

const int N = 1e5 + 5;
const int mod = 1e9 + 7;
const ll inf = 1e18;

void maxl(auto &a, auto b) {a = max(a, b);}
void minl(auto &a, auto b) {a = min(a, b);}

struct project{
    int t, l, r, c;

    bool operator < (project other){
        return l - t < other.l - other.t;
    }
} p[N];

int NN, m, Min[4 * N];
ll d[N];

void build(int s = 1, int l = 1, int r = m){
    if (l == r){
        Min[s] = p[l].l + p[l].t;
        return;
    }

    int mid = l + r >> 1;
    build(s << 1, l, mid); build(s << 1 | 1, mid + 1, r);
    Min[s] = min(Min[s << 1], Min[s << 1 | 1]);
}

priority_queue <li, vector <li>, greater <li>> qu;

void get(int u, int v, ll k, int s = 1, int l = 1, int r = m){
    if (p[l].l - p[l].t > u || Min[s] > v) return;
    if (l == r){
        if (d[l] == inf){
            d[l] = k + p[l].c;
            qu.push({d[l], l});
        }
        Min[s] = inf;
        return;
    }

    int mid = l + r >> 1;
    get(u, v, k, s << 1, l, mid); get(u, v, k, s << 1 | 1, mid + 1, r);
    Min[s] = min(Min[s << 1], Min[s << 1 | 1]);
}

void solve(){
    cin >> NN >> m;
    for (int i = 1; i <= m; ++ i){
        cin >> p[i].t >> p[i].l >> p[i].r >> p[i].c;
        d[i] = inf;
    }

    sort(p + 1, p + m + 1); build();
    for (int i = 1; i <= m; ++ i) if (p[i].l == 1){
        d[i] = p[i].c;
        qu.push({d[i], i});
    }

    while (qu.size()){
        auto [du, u] = qu.top(); qu.pop();
        get(p[u].r - p[u].t + 1, p[u].r + p[u].t + 1, du);
    }

    ll ans = inf;
    for (int i = 1; i <= m; ++ i) if (p[i].r == NN) minl(ans, d[i]);
    if (ans == inf) cout << -1;
    else cout << ans;
}

int main(){
    if (fopen("pqh.inp", "r")){
        freopen("pqh.inp", "r", stdin);
        freopen("pqh.out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    int t = 1; // cin >> t;
    while (t --) solve();
    return 0;
}

Compilation message

treatment.cpp:20:11: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void maxl(auto &a, auto b) {a = max(a, b);}
      |           ^~~~
treatment.cpp:20:20: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void maxl(auto &a, auto b) {a = max(a, b);}
      |                    ^~~~
treatment.cpp:21:11: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   21 | void minl(auto &a, auto b) {a = min(a, b);}
      |           ^~~~
treatment.cpp:21:20: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   21 | void minl(auto &a, auto b) {a = min(a, b);}
      |                    ^~~~
treatment.cpp: In function 'void build(int, int, int)':
treatment.cpp:40:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |     int mid = l + r >> 1;
      |               ~~^~~
treatment.cpp: In function 'void get(int, int, ll, int, int, int)':
treatment.cpp:54:18: warning: overflow in conversion from 'll' {aka 'long long int'} to 'int' changes value from '1000000000000000000' to '-1486618624' [-Woverflow]
   54 |         Min[s] = inf;
      |                  ^~~
treatment.cpp:58:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   58 |     int mid = l + r >> 1;
      |               ~~^~~
treatment.cpp: In function 'int main()':
treatment.cpp:89:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |         freopen("pqh.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:90:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |         freopen("pqh.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3065 ms 7348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 131 ms 2652 KB Output is correct
21 Correct 134 ms 2832 KB Output is correct
22 Correct 74 ms 2652 KB Output is correct
23 Correct 41 ms 2648 KB Output is correct
24 Correct 127 ms 2932 KB Output is correct
25 Correct 99 ms 2652 KB Output is correct
26 Correct 94 ms 2648 KB Output is correct
27 Correct 92 ms 2652 KB Output is correct
28 Correct 128 ms 2908 KB Output is correct
29 Correct 75 ms 2652 KB Output is correct
30 Correct 2 ms 2648 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 150 ms 2908 KB Output is correct
33 Correct 182 ms 2908 KB Output is correct
34 Correct 106 ms 2652 KB Output is correct
35 Correct 152 ms 2908 KB Output is correct
36 Correct 172 ms 2900 KB Output is correct
37 Correct 111 ms 2648 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3065 ms 7348 KB Time limit exceeded
2 Halted 0 ms 0 KB -