답안 #947199

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
947199 2024-03-15T15:51:48 Z steveonalex Art Exhibition (JOI18_art) C++14
100 / 100
169 ms 24792 KB
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ll mask){return __builtin_ctzll(mask);}
int logOf(ll mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T& container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
    int n; cin >> n;
    vector<pair<ll, ll>> a(n);
    for(int i = 0; i<n; ++i) cin >> a[i].first >> a[i].second;
    sort(ALL(a), greater<pair<ll, ll>>());

    vector<ll> pref(n);
    for(int i = 0; i<n; ++i){
        pref[i] = a[i].second;
    }
    for(int i = 1; i<n; ++i) pref[i] += pref[i-1];
    for(int i = 0; i<n; ++i) pref[i] += a[i].first;

    for(int i = n-2; i>=0; --i) maximize(pref[i], pref[i+1]);

    ll ans = 0;
    ll s = 0;
    for(int i= 0; i<n; ++i){
        maximize(ans, pref[i] - a[i].first - s);
        s += a[i].second;
    } 
    cout << ans << "\n";
 
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 460 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 460 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 600 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 664 KB Output is correct
32 Correct 2 ms 652 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 652 KB Output is correct
39 Correct 2 ms 472 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 656 KB Output is correct
46 Correct 2 ms 656 KB Output is correct
47 Correct 2 ms 868 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 672 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 460 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 600 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 664 KB Output is correct
32 Correct 2 ms 652 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 652 KB Output is correct
39 Correct 2 ms 472 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 656 KB Output is correct
46 Correct 2 ms 656 KB Output is correct
47 Correct 2 ms 868 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 672 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 141 ms 24660 KB Output is correct
53 Correct 140 ms 24768 KB Output is correct
54 Correct 133 ms 24648 KB Output is correct
55 Correct 154 ms 24768 KB Output is correct
56 Correct 130 ms 24792 KB Output is correct
57 Correct 134 ms 24648 KB Output is correct
58 Correct 143 ms 24764 KB Output is correct
59 Correct 136 ms 24764 KB Output is correct
60 Correct 142 ms 24760 KB Output is correct
61 Correct 146 ms 24628 KB Output is correct
62 Correct 138 ms 24648 KB Output is correct
63 Correct 130 ms 24660 KB Output is correct
64 Correct 151 ms 24664 KB Output is correct
65 Correct 136 ms 24776 KB Output is correct
66 Correct 147 ms 24760 KB Output is correct
67 Correct 169 ms 24656 KB Output is correct
68 Correct 136 ms 24644 KB Output is correct