Submission #1088477

# Submission time Handle Problem Language Result Execution time Memory
1088477 2024-09-14T13:29:59 Z LucasLe Art Exhibition (JOI18_art) C++17
100 / 100
205 ms 28756 KB
#include <bits/stdc++.h>


#define                int  long long
#define              moony  long long
#define                pii  pair<int, int>
#define                 fi  first
#define                 se  second
#define                 ld  long double
#define                 vi  vector<int>
#define                vii  vector<vector<int>>
#define             all(v)  (v).begin(), (v).end()
#define       rep(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i)
#define       per(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i)

using namespace std;

const int MOD = 1e9 + 7;

int add(int a, int b) {
  a += b;
  if (a >= MOD) a -= MOD;
  return a;
}

int mul(int a, int b) {
  (a *= b) %= MOD;
  return a;
}

int ceil(int x, int y) {
  return (x + y - 1) / y;
}

int bin_pow(int x, int y) {
  int res=1;
  while(y){if(y&1)res=res*x%MOD;x=x*x%MOD;y>>=1;}
  return res;
}

const int INF = 1e17;
const int maxn = 1e6 + 5;

int pref[maxn + 5];

int calc(int l, int r) {
  if (l > r) return 0;
  if (!l) return pref[r];
  return pref[r] - pref[l - 1];
}

void solve(int tc) {
  int n; cin >> n;
  vector<pair<int, int>> a(n);
  for (int i = 0; i < n; ++i) cin >> a[i].first >> a[i].second;
  sort(a.begin(), a.end());
  for (int i = 0; i < n; ++i) {
    if (!i) pref[0] = a[0].second;
    else pref[i] = pref[i - 1] + a[i].second;
  }
  vector<int> orz(n);
  for (int i = 0; i < n; ++i)
    orz[i] = a[i].first + calc(i, n - 1);
  int sum = -INF, ans = 0;
  for (int i = 0; i < n; ++i) {
    sum = max(sum, orz[i]);
    ans = max(ans, sum - calc(i + 1, n - 1) - a[i].first);
  }
  cout << ans << '\n';
}

signed main() {

  ios_base::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);

  int tc = 1;
  //cin >> tc;

  for (int i = 1; i <= tc; ++i) {
    solve(i);
  }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 464 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 464 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 600 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 860 KB Output is correct
37 Correct 3 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 752 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 2 ms 728 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 3 ms 652 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 860 KB Output is correct
50 Correct 2 ms 600 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 464 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 600 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 860 KB Output is correct
37 Correct 3 ms 604 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 752 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 2 ms 728 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 3 ms 652 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 860 KB Output is correct
50 Correct 2 ms 600 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 136 ms 28616 KB Output is correct
53 Correct 128 ms 28748 KB Output is correct
54 Correct 121 ms 28752 KB Output is correct
55 Correct 122 ms 28756 KB Output is correct
56 Correct 120 ms 28636 KB Output is correct
57 Correct 119 ms 28748 KB Output is correct
58 Correct 120 ms 28744 KB Output is correct
59 Correct 125 ms 28612 KB Output is correct
60 Correct 145 ms 28752 KB Output is correct
61 Correct 120 ms 28744 KB Output is correct
62 Correct 178 ms 28752 KB Output is correct
63 Correct 123 ms 28504 KB Output is correct
64 Correct 130 ms 28504 KB Output is correct
65 Correct 160 ms 28756 KB Output is correct
66 Correct 205 ms 28752 KB Output is correct
67 Correct 126 ms 28508 KB Output is correct
68 Correct 126 ms 28748 KB Output is correct