#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MODULO = 1e9+7;
const ll INF = 1e18+1;
template<class X ,class Y>
bool Minimize(X &x , Y y)
{
if(x > y)
{
x = y ;
return true;
}
return false;
}
template<class X ,class Y>
bool Maximize(X &x , Y y )
{
if(x < y)
{
x = y;
return true;
}
return false;
}
template<class X ,class Y>
void Add(X &x , Y y)
{
x += y;
if( x >= MODULO) x -= MODULO;
}
template<class X ,class Y>
void Sub(X &x , Y y )
{
x -= y ;
if( x < 0 ) x += MODULO;
}
const int N = 5e5+1;
int n ;
pair<ll , ll >a[N];
long long dp[N];
void Input()
{
cin >> n ;
for(int i = 1 ; i <= n ; i++)
{
cin >> a[i].first >> a[i].second;
}
}
void Process()
{
sort(a+1 , a+1 + n);
if(n <= 5000)
{
ll ans = -INF;
for(int i = 1; i <= n ; i++)
{
ll sum = 0;
for(int j = i; j <= n ;j++)
{
sum += a[j].second;
Maximize(ans , sum - (a[j].first - a[i].first));
}
}
cout << ans;
return ;
}
for(int i = 1 ; i <= n ; i++)
{
dp[i] = a[i].second + a[i].first;
}
for(int i = 2 ; i <= n ;i++)
{
Maximize(dp[i] , dp[i-1] + a[i].second);
}
long long ans = -INF;
for(int i = 1 ; i <= n ; i++)
{
Maximize(ans , dp[i] - a[i].first);
}
cout << ans;
}
int main()
{
ios_base :: sync_with_stdio(0);cin.tie(0);
int test = 1;
while(test--)
{
Input();
Process();
cout <<'\n';
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
328 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
328 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
328 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
17 ms |
548 KB |
Output is correct |
| 28 |
Correct |
16 ms |
540 KB |
Output is correct |
| 29 |
Correct |
20 ms |
468 KB |
Output is correct |
| 30 |
Correct |
19 ms |
524 KB |
Output is correct |
| 31 |
Correct |
15 ms |
464 KB |
Output is correct |
| 32 |
Correct |
16 ms |
468 KB |
Output is correct |
| 33 |
Correct |
15 ms |
468 KB |
Output is correct |
| 34 |
Correct |
15 ms |
468 KB |
Output is correct |
| 35 |
Correct |
15 ms |
544 KB |
Output is correct |
| 36 |
Correct |
15 ms |
544 KB |
Output is correct |
| 37 |
Correct |
15 ms |
548 KB |
Output is correct |
| 38 |
Correct |
16 ms |
540 KB |
Output is correct |
| 39 |
Correct |
16 ms |
548 KB |
Output is correct |
| 40 |
Correct |
15 ms |
468 KB |
Output is correct |
| 41 |
Correct |
15 ms |
468 KB |
Output is correct |
| 42 |
Correct |
15 ms |
468 KB |
Output is correct |
| 43 |
Correct |
15 ms |
468 KB |
Output is correct |
| 44 |
Correct |
15 ms |
468 KB |
Output is correct |
| 45 |
Correct |
15 ms |
468 KB |
Output is correct |
| 46 |
Correct |
16 ms |
544 KB |
Output is correct |
| 47 |
Correct |
15 ms |
544 KB |
Output is correct |
| 48 |
Correct |
15 ms |
536 KB |
Output is correct |
| 49 |
Correct |
16 ms |
544 KB |
Output is correct |
| 50 |
Correct |
15 ms |
544 KB |
Output is correct |
| 51 |
Correct |
15 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
328 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
17 ms |
548 KB |
Output is correct |
| 28 |
Correct |
16 ms |
540 KB |
Output is correct |
| 29 |
Correct |
20 ms |
468 KB |
Output is correct |
| 30 |
Correct |
19 ms |
524 KB |
Output is correct |
| 31 |
Correct |
15 ms |
464 KB |
Output is correct |
| 32 |
Correct |
16 ms |
468 KB |
Output is correct |
| 33 |
Correct |
15 ms |
468 KB |
Output is correct |
| 34 |
Correct |
15 ms |
468 KB |
Output is correct |
| 35 |
Correct |
15 ms |
544 KB |
Output is correct |
| 36 |
Correct |
15 ms |
544 KB |
Output is correct |
| 37 |
Correct |
15 ms |
548 KB |
Output is correct |
| 38 |
Correct |
16 ms |
540 KB |
Output is correct |
| 39 |
Correct |
16 ms |
548 KB |
Output is correct |
| 40 |
Correct |
15 ms |
468 KB |
Output is correct |
| 41 |
Correct |
15 ms |
468 KB |
Output is correct |
| 42 |
Correct |
15 ms |
468 KB |
Output is correct |
| 43 |
Correct |
15 ms |
468 KB |
Output is correct |
| 44 |
Correct |
15 ms |
468 KB |
Output is correct |
| 45 |
Correct |
15 ms |
468 KB |
Output is correct |
| 46 |
Correct |
16 ms |
544 KB |
Output is correct |
| 47 |
Correct |
15 ms |
544 KB |
Output is correct |
| 48 |
Correct |
15 ms |
536 KB |
Output is correct |
| 49 |
Correct |
16 ms |
544 KB |
Output is correct |
| 50 |
Correct |
15 ms |
544 KB |
Output is correct |
| 51 |
Correct |
15 ms |
468 KB |
Output is correct |
| 52 |
Correct |
187 ms |
24592 KB |
Output is correct |
| 53 |
Correct |
180 ms |
24572 KB |
Output is correct |
| 54 |
Correct |
204 ms |
24616 KB |
Output is correct |
| 55 |
Correct |
183 ms |
24688 KB |
Output is correct |
| 56 |
Correct |
189 ms |
24640 KB |
Output is correct |
| 57 |
Correct |
185 ms |
24600 KB |
Output is correct |
| 58 |
Correct |
174 ms |
24628 KB |
Output is correct |
| 59 |
Correct |
188 ms |
24628 KB |
Output is correct |
| 60 |
Correct |
177 ms |
24620 KB |
Output is correct |
| 61 |
Correct |
202 ms |
24440 KB |
Output is correct |
| 62 |
Correct |
184 ms |
24652 KB |
Output is correct |
| 63 |
Correct |
178 ms |
24624 KB |
Output is correct |
| 64 |
Correct |
173 ms |
24668 KB |
Output is correct |
| 65 |
Correct |
181 ms |
24684 KB |
Output is correct |
| 66 |
Correct |
184 ms |
24736 KB |
Output is correct |
| 67 |
Correct |
196 ms |
24580 KB |
Output is correct |
| 68 |
Correct |
181 ms |
24620 KB |
Output is correct |
