oj.uz

답안 #960001

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
960001 2024-04-09T12:25:07 Z Cookie Feast (NOI19_feast) C++14
100 / 100
 263 ms 27588 KB 
#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359;
using u128 = __uint128_t;
const int x[4] = {2, -2, 2, -2};
const int y[4] = {2, 2, -2, -2};
const ll mod = 1e9 + 7;
const int mxn = 1e6 + 69, mxq = 1e5 + 5, sq = 500, mxv = 2e7 + 5;
//const int base = (1 <<18);
const ll inf = 1e18 + 5, neg = -69420;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
//const int x[9] = {0, 1, 1, -1, -1, 2, -2, 2, -2};
//const inty[9] = {0, 2, -2, 2, -2, 1, 1, -1, -1};
int n, k;
ll a[mxn + 1], val[mxn + 1];
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("COLLEGE.INP", "r", stdin);
    //freopen("COLLEGE.OUT", "w", stdout);
    cin >> n >> k;
    vt<ll>comp;
    a[0] = -inf; a[n + 1] = -inf;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    int cnt = 0;
    for(int i = 0; i <= n + 1;){
        ll sm = 0;
        int r = i;
        while(r <= n + 1 && (a[r] >= 0) == (a[i] >= 0)){
            sm += a[r++];
        }
        comp.pb(sm);
        if(sm >= 0){
            cnt++;
        }
        i = r;
    }
    for(int i = 0; i < sz(comp); i++)val[i] = comp[i];
    set<pair<ll, ll>>lar; set<int>pos;
    for(int i = 0; i < sz(comp); i++){
        lar.insert(mpp(abs(comp[i]), i)); pos.insert(i);
    }
    for(int i = cnt; i > k; i--){

        auto [va, id] = *lar.begin();
        auto it = pos.lower_bound(id), lw = prev(it), hg = next(it);
        lar.erase(mpp(abs(val[*hg]), *hg)); lar.erase(mpp(abs(val[*lw]), *lw));lar.erase(mpp(abs(val[id]), id));
        val[id] += val[*lw]; val[id] += val[*hg];
        pos.erase(*lw); pos.erase(*hg);  lar.insert(mpp(abs(val[id]), id));
    }
    ll ans = 0;
    for(auto it: lar){
        if(val[it.se] >= 0)ans += val[it.se];
    }
    cout << ans;
    return(0);
}

Compilation message

feast.cpp: In function 'int main()':
feast.cpp:62:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   62 |         auto [va, id] = *lar.begin();
      |              ^

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 7228 KB Output is correct
2 Correct 31 ms 7256 KB Output is correct
3 Correct 27 ms 7260 KB Output is correct
4 Correct 32 ms 7364 KB Output is correct
5 Correct 26 ms 7256 KB Output is correct
6 Correct 26 ms 7248 KB Output is correct
7 Correct 27 ms 7248 KB Output is correct
8 Correct 30 ms 7256 KB Output is correct
9 Correct 27 ms 7356 KB Output is correct
10 Correct 27 ms 7512 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 5464 KB Output is correct
2 Correct 17 ms 5468 KB Output is correct
3 Correct 17 ms 5456 KB Output is correct
4 Correct 19 ms 5468 KB Output is correct
5 Correct 26 ms 7356 KB Output is correct
6 Correct 17 ms 5448 KB Output is correct
7 Correct 19 ms 5464 KB Output is correct
8 Correct 31 ms 7260 KB Output is correct
9 Correct 25 ms 7248 KB Output is correct
10 Correct 17 ms 5708 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 227 ms 26892 KB Output is correct
2 Correct 234 ms 26820 KB Output is correct
3 Correct 250 ms 27080 KB Output is correct
4 Correct 220 ms 26824 KB Output is correct
5 Correct 222 ms 26948 KB Output is correct
6 Correct 231 ms 27184 KB Output is correct
7 Correct 263 ms 27172 KB Output is correct
8 Correct 210 ms 26824 KB Output is correct
9 Correct 240 ms 27332 KB Output is correct
10 Correct 248 ms 27588 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2512 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2512 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2392 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2512 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2392 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2652 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 1 ms 2652 KB Output is correct
24 Correct 1 ms 2652 KB Output is correct
25 Correct 3 ms 2812 KB Output is correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 1 ms 2652 KB Output is correct
28 Correct 1 ms 2652 KB Output is correct
29 Correct 1 ms 2652 KB Output is correct
30 Correct 1 ms 2652 KB Output is correct

Subtask #7
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 7228 KB Output is correct
2 Correct 31 ms 7256 KB Output is correct
3 Correct 27 ms 7260 KB Output is correct
4 Correct 32 ms 7364 KB Output is correct
5 Correct 26 ms 7256 KB Output is correct
6 Correct 26 ms 7248 KB Output is correct
7 Correct 27 ms 7248 KB Output is correct
8 Correct 30 ms 7256 KB Output is correct
9 Correct 27 ms 7356 KB Output is correct
10 Correct 27 ms 7512 KB Output is correct
11 Correct 17 ms 5464 KB Output is correct
12 Correct 17 ms 5468 KB Output is correct
13 Correct 17 ms 5456 KB Output is correct
14 Correct 19 ms 5468 KB Output is correct
15 Correct 26 ms 7356 KB Output is correct
16 Correct 17 ms 5448 KB Output is correct
17 Correct 19 ms 5464 KB Output is correct
18 Correct 31 ms 7260 KB Output is correct
19 Correct 25 ms 7248 KB Output is correct
20 Correct 17 ms 5708 KB Output is correct
21 Correct 227 ms 26892 KB Output is correct
22 Correct 234 ms 26820 KB Output is correct
23 Correct 250 ms 27080 KB Output is correct
24 Correct 220 ms 26824 KB Output is correct
25 Correct 222 ms 26948 KB Output is correct
26 Correct 231 ms 27184 KB Output is correct
27 Correct 263 ms 27172 KB Output is correct
28 Correct 210 ms 26824 KB Output is correct
29 Correct 240 ms 27332 KB Output is correct
30 Correct 248 ms 27588 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2392 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2512 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 1 ms 2392 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2652 KB Output is correct
52 Correct 1 ms 2652 KB Output is correct
53 Correct 1 ms 2652 KB Output is correct
54 Correct 1 ms 2652 KB Output is correct
55 Correct 3 ms 2812 KB Output is correct
56 Correct 1 ms 2652 KB Output is correct
57 Correct 1 ms 2652 KB Output is correct
58 Correct 1 ms 2652 KB Output is correct
59 Correct 1 ms 2652 KB Output is correct
60 Correct 1 ms 2652 KB Output is correct
61 Correct 178 ms 26604 KB Output is correct
62 Correct 119 ms 27336 KB Output is correct
63 Correct 226 ms 26712 KB Output is correct
64 Correct 150 ms 27016 KB Output is correct
65 Correct 183 ms 27160 KB Output is correct
66 Correct 221 ms 27080 KB Output is correct
67 Correct 192 ms 26684 KB Output is correct
68 Correct 247 ms 27076 KB Output is correct
69 Correct 205 ms 26580 KB Output is correct
70 Correct 259 ms 26564 KB Output is correct