#include <bits/stdc++.h>
using namespace std;
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using str = string;
using ld = long double;
using db = double;
///--------------------------------
#define F first
#define S second
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define sz(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define mem(f, x) memset(f, x, sizeof(f))
#define uniqueV(x) sort(all(x)), (x).resize(unique(all(x)) - x.begin())
template<class T> bool maximize(T &a, const T &b){ return (a < b ? a = b, 1 : 0); }
template<class T> bool minimize(T &a, const T &b){ return (a > b ? a = b, 1 : 0); }
///--------------------------------
#define PROBLEM "test"
const int MOD = 1e9 + 7; // 998244353;
const ll INF = 1e18;
const ld eps = 1e-9;
const ld PI = acos(-1);
const int dx[4]{0, 1, 0, -1}, dy[4]{1, 0, -1, 0}; // R D L U
const int ddx[4]{-1, 1, 1, -1}, ddy[4]{1, 1, -1, -1}; // UR DR DL UL
///--------------------------------
void precalc();
void solve();
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
if (fopen(PROBLEM".inp", "r")) {
freopen(PROBLEM".inp", "r", stdin);
freopen(PROBLEM".out", "w", stdout);
}
constexpr bool MULTI_TEST = 0;
int t = 1;
if (MULTI_TEST) cin >> t;
while (t--)
solve();
// cerr << setprecision(3) << fixed;
// cerr << "[" << 1.0 * clock() / CLOCKS_PER_SEC << "s] ";
}
///--------------------[PROBLEM SOLUTION]--------------------///
void solve() {
ll n;
cin >> n;
vector<pll> v(n);
for (int i = 0; i < n; i++)
cin >> v[i].F >> v[i].S;
sort(all(v));
ll res = -INF, mx = -INF, pref = 0;
for (int i = 0; i < n; i++) {
maximize(mx, -pref + v[i].F);
maximize(res, (pref + v[i].S) - v[i].F + mx);
pref += v[i].S;
}
cout << res << '\n';
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
52 | freopen(PROBLEM".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
53 | freopen(PROBLEM".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
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 |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 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 |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 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 |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 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 |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 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 |
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 |
0 ms |
500 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 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 |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 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 |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 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 |
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 |
0 ms |
500 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 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 |
1 ms |
468 KB |
Output is correct |
| 28 |
Correct |
1 ms |
604 KB |
Output is correct |
| 29 |
Correct |
2 ms |
668 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
600 KB |
Output is correct |
| 32 |
Correct |
2 ms |
604 KB |
Output is correct |
| 33 |
Correct |
1 ms |
604 KB |
Output is correct |
| 34 |
Correct |
1 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
2 ms |
604 KB |
Output is correct |
| 37 |
Correct |
2 ms |
600 KB |
Output is correct |
| 38 |
Correct |
2 ms |
604 KB |
Output is correct |
| 39 |
Correct |
2 ms |
856 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 |
604 KB |
Output is correct |
| 44 |
Correct |
2 ms |
604 KB |
Output is correct |
| 45 |
Correct |
2 ms |
604 KB |
Output is correct |
| 46 |
Correct |
2 ms |
604 KB |
Output is correct |
| 47 |
Correct |
1 ms |
468 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
2 ms |
668 KB |
Output is correct |
| 50 |
Correct |
1 ms |
604 KB |
Output is correct |
| 51 |
Correct |
2 ms |
664 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 |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 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 |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 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 |
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 |
0 ms |
500 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 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 |
1 ms |
468 KB |
Output is correct |
| 28 |
Correct |
1 ms |
604 KB |
Output is correct |
| 29 |
Correct |
2 ms |
668 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
600 KB |
Output is correct |
| 32 |
Correct |
2 ms |
604 KB |
Output is correct |
| 33 |
Correct |
1 ms |
604 KB |
Output is correct |
| 34 |
Correct |
1 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
2 ms |
604 KB |
Output is correct |
| 37 |
Correct |
2 ms |
600 KB |
Output is correct |
| 38 |
Correct |
2 ms |
604 KB |
Output is correct |
| 39 |
Correct |
2 ms |
856 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 |
604 KB |
Output is correct |
| 44 |
Correct |
2 ms |
604 KB |
Output is correct |
| 45 |
Correct |
2 ms |
604 KB |
Output is correct |
| 46 |
Correct |
2 ms |
604 KB |
Output is correct |
| 47 |
Correct |
1 ms |
468 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
2 ms |
668 KB |
Output is correct |
| 50 |
Correct |
1 ms |
604 KB |
Output is correct |
| 51 |
Correct |
2 ms |
664 KB |
Output is correct |
| 52 |
Correct |
129 ms |
20672 KB |
Output is correct |
| 53 |
Correct |
133 ms |
20804 KB |
Output is correct |
| 54 |
Correct |
132 ms |
20804 KB |
Output is correct |
| 55 |
Correct |
126 ms |
20820 KB |
Output is correct |
| 56 |
Correct |
135 ms |
20804 KB |
Output is correct |
| 57 |
Correct |
126 ms |
20820 KB |
Output is correct |
| 58 |
Correct |
125 ms |
20800 KB |
Output is correct |
| 59 |
Correct |
132 ms |
20800 KB |
Output is correct |
| 60 |
Correct |
131 ms |
20944 KB |
Output is correct |
| 61 |
Correct |
126 ms |
20556 KB |
Output is correct |
| 62 |
Correct |
123 ms |
20676 KB |
Output is correct |
| 63 |
Correct |
126 ms |
20668 KB |
Output is correct |
| 64 |
Correct |
138 ms |
20796 KB |
Output is correct |
| 65 |
Correct |
126 ms |
20800 KB |
Output is correct |
| 66 |
Correct |
127 ms |
20820 KB |
Output is correct |
| 67 |
Correct |
129 ms |
20820 KB |
Output is correct |
| 68 |
Correct |
142 ms |
20812 KB |
Output is correct |
