#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;
const int N = 5e5 + 10;
const long long INF = 1e18 + 7;
long long qs[N], dpl[N], dpr[N];
int main() {
int n;
cin >> n;
vector <pair <long long, int>> vec;
vec.emplace_back(0, 0);
for(int i = 1; i <= n; i++) {
long long a;
int b;
scanf(" %lld %d", &a, &b);
vec.emplace_back(a, b);
}
sort(vec.begin(), vec.end());
for(int i = 1; i <= n; i++) {
qs[i] = qs[i - 1] + vec[i].second;
}
dpl[0] = dpr[n + 1] = -INF;
for(int i = 1; i <= n; i++) {
dpl[i] = max(dpl[i - 1], -qs[i - 1] + vec[i].first - vec[1].first);
}
for(int i = n; i >= 1; i--) {
dpr[i] = max(dpr[i + 1], -qs[n] + qs[i] + vec[n].first - vec[i].first);
}
long long ans = -INF;
for(int i = 1; i <= n; i++) {
ans = max(ans, qs[n] + dpl[i] + dpr[i] - vec[n].first + vec[1].first);
}
cout << ans;
return 0;
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf(" %lld %d", &a, &b);
| ~~~~~^~~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
216 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
300 KB |
Output is correct |
| 5 |
Correct |
1 ms |
280 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
300 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
216 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
300 KB |
Output is correct |
| 5 |
Correct |
1 ms |
280 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
300 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
216 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
300 KB |
Output is correct |
| 5 |
Correct |
1 ms |
280 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
300 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
720 KB |
Output is correct |
| 28 |
Correct |
3 ms |
676 KB |
Output is correct |
| 29 |
Correct |
2 ms |
672 KB |
Output is correct |
| 30 |
Correct |
2 ms |
656 KB |
Output is correct |
| 31 |
Correct |
3 ms |
720 KB |
Output is correct |
| 32 |
Correct |
2 ms |
708 KB |
Output is correct |
| 33 |
Correct |
2 ms |
696 KB |
Output is correct |
| 34 |
Correct |
2 ms |
716 KB |
Output is correct |
| 35 |
Correct |
2 ms |
716 KB |
Output is correct |
| 36 |
Correct |
4 ms |
680 KB |
Output is correct |
| 37 |
Correct |
4 ms |
696 KB |
Output is correct |
| 38 |
Correct |
2 ms |
696 KB |
Output is correct |
| 39 |
Correct |
2 ms |
672 KB |
Output is correct |
| 40 |
Correct |
2 ms |
708 KB |
Output is correct |
| 41 |
Correct |
2 ms |
716 KB |
Output is correct |
| 42 |
Correct |
2 ms |
716 KB |
Output is correct |
| 43 |
Correct |
3 ms |
700 KB |
Output is correct |
| 44 |
Correct |
2 ms |
688 KB |
Output is correct |
| 45 |
Correct |
3 ms |
740 KB |
Output is correct |
| 46 |
Correct |
3 ms |
708 KB |
Output is correct |
| 47 |
Correct |
3 ms |
684 KB |
Output is correct |
| 48 |
Correct |
3 ms |
716 KB |
Output is correct |
| 49 |
Correct |
2 ms |
716 KB |
Output is correct |
| 50 |
Correct |
2 ms |
744 KB |
Output is correct |
| 51 |
Correct |
2 ms |
716 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
216 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
300 KB |
Output is correct |
| 5 |
Correct |
1 ms |
280 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
300 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
332 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
720 KB |
Output is correct |
| 28 |
Correct |
3 ms |
676 KB |
Output is correct |
| 29 |
Correct |
2 ms |
672 KB |
Output is correct |
| 30 |
Correct |
2 ms |
656 KB |
Output is correct |
| 31 |
Correct |
3 ms |
720 KB |
Output is correct |
| 32 |
Correct |
2 ms |
708 KB |
Output is correct |
| 33 |
Correct |
2 ms |
696 KB |
Output is correct |
| 34 |
Correct |
2 ms |
716 KB |
Output is correct |
| 35 |
Correct |
2 ms |
716 KB |
Output is correct |
| 36 |
Correct |
4 ms |
680 KB |
Output is correct |
| 37 |
Correct |
4 ms |
696 KB |
Output is correct |
| 38 |
Correct |
2 ms |
696 KB |
Output is correct |
| 39 |
Correct |
2 ms |
672 KB |
Output is correct |
| 40 |
Correct |
2 ms |
708 KB |
Output is correct |
| 41 |
Correct |
2 ms |
716 KB |
Output is correct |
| 42 |
Correct |
2 ms |
716 KB |
Output is correct |
| 43 |
Correct |
3 ms |
700 KB |
Output is correct |
| 44 |
Correct |
2 ms |
688 KB |
Output is correct |
| 45 |
Correct |
3 ms |
740 KB |
Output is correct |
| 46 |
Correct |
3 ms |
708 KB |
Output is correct |
| 47 |
Correct |
3 ms |
684 KB |
Output is correct |
| 48 |
Correct |
3 ms |
716 KB |
Output is correct |
| 49 |
Correct |
2 ms |
716 KB |
Output is correct |
| 50 |
Correct |
2 ms |
744 KB |
Output is correct |
| 51 |
Correct |
2 ms |
716 KB |
Output is correct |
| 52 |
Correct |
188 ms |
32516 KB |
Output is correct |
| 53 |
Correct |
185 ms |
32668 KB |
Output is correct |
| 54 |
Correct |
209 ms |
32632 KB |
Output is correct |
| 55 |
Correct |
233 ms |
32568 KB |
Output is correct |
| 56 |
Correct |
198 ms |
32592 KB |
Output is correct |
| 57 |
Correct |
190 ms |
32540 KB |
Output is correct |
| 58 |
Correct |
193 ms |
32536 KB |
Output is correct |
| 59 |
Correct |
199 ms |
32592 KB |
Output is correct |
| 60 |
Correct |
209 ms |
32540 KB |
Output is correct |
| 61 |
Correct |
201 ms |
32408 KB |
Output is correct |
| 62 |
Correct |
204 ms |
32684 KB |
Output is correct |
| 63 |
Correct |
189 ms |
32528 KB |
Output is correct |
| 64 |
Correct |
209 ms |
32608 KB |
Output is correct |
| 65 |
Correct |
194 ms |
32608 KB |
Output is correct |
| 66 |
Correct |
195 ms |
32564 KB |
Output is correct |
| 67 |
Correct |
188 ms |
32592 KB |
Output is correct |
| 68 |
Correct |
187 ms |
32604 KB |
Output is correct |
