#include<bits/stdc++.h>
using namespace std;
vector<int>LOG;
struct SparseTable{
vector<vector<long long>>sTable;
SparseTable(int n, vector<long long>&v){
sTable.resize(LOG[n] + 1);
for(int i = 0;i <= LOG[n];++i)sTable[i].resize(n + 1);
for(int i = 1;i <= n;++i){
sTable[0][i] = v[i];
}
for(int i = 1;i <= LOG[n];++i){
for(int j = 1;j + (1 << (i - 1)) <= n;++j){
sTable[i][j] = max(sTable[i - 1][j], sTable[i - 1][j + (1 << (i - 1))]);
}
}
}
long long Query(int l, int r){
int lg = LOG[r - l + 1];
return max(sTable[lg][l], sTable[lg][r - (1 << lg) + 1]);
}
};
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
LOG.resize(n + 1);
LOG[1] = 0;
for(int i = 2;i <= n;++i)LOG[i] = LOG[i / 2] + 1;
vector<pair<long long, long long>>arts(n + 1);
for(int i = 1;i <= n;++i){
cin >> arts[i].first >> arts[i].second;
}
sort(arts.begin(), arts.end());
vector<long long>P(n + 1);
for(int i = 1;i <= n;++i){
P[i] = P[i - 1] + arts[i].second + arts[i - 1].first - arts[i].first;
// cout << "P[" << i << "]=" << P[i] << '\n';
}
SparseTable table(n, P);
long long mx = 0;
for(int i = 1;i <= n;++i){
long long P_max = table.Query(i, n);
long long num = (P_max - P[i - 1]) - arts[i - 1].first + arts[i].first;
mx = max(mx, num);
}
cout << mx;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 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 |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 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 |
0 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 |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 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 |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 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 |
2 ms |
852 KB |
Output is correct |
| 28 |
Correct |
3 ms |
852 KB |
Output is correct |
| 29 |
Correct |
2 ms |
852 KB |
Output is correct |
| 30 |
Correct |
2 ms |
852 KB |
Output is correct |
| 31 |
Correct |
2 ms |
852 KB |
Output is correct |
| 32 |
Correct |
2 ms |
852 KB |
Output is correct |
| 33 |
Correct |
2 ms |
852 KB |
Output is correct |
| 34 |
Correct |
3 ms |
852 KB |
Output is correct |
| 35 |
Correct |
3 ms |
852 KB |
Output is correct |
| 36 |
Correct |
2 ms |
852 KB |
Output is correct |
| 37 |
Correct |
2 ms |
852 KB |
Output is correct |
| 38 |
Correct |
3 ms |
852 KB |
Output is correct |
| 39 |
Correct |
4 ms |
852 KB |
Output is correct |
| 40 |
Correct |
3 ms |
852 KB |
Output is correct |
| 41 |
Correct |
2 ms |
928 KB |
Output is correct |
| 42 |
Correct |
2 ms |
852 KB |
Output is correct |
| 43 |
Correct |
2 ms |
852 KB |
Output is correct |
| 44 |
Correct |
2 ms |
852 KB |
Output is correct |
| 45 |
Correct |
2 ms |
852 KB |
Output is correct |
| 46 |
Correct |
2 ms |
852 KB |
Output is correct |
| 47 |
Correct |
3 ms |
928 KB |
Output is correct |
| 48 |
Correct |
2 ms |
852 KB |
Output is correct |
| 49 |
Correct |
3 ms |
852 KB |
Output is correct |
| 50 |
Correct |
2 ms |
852 KB |
Output is correct |
| 51 |
Correct |
2 ms |
920 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 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 |
0 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 |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 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 |
2 ms |
852 KB |
Output is correct |
| 28 |
Correct |
3 ms |
852 KB |
Output is correct |
| 29 |
Correct |
2 ms |
852 KB |
Output is correct |
| 30 |
Correct |
2 ms |
852 KB |
Output is correct |
| 31 |
Correct |
2 ms |
852 KB |
Output is correct |
| 32 |
Correct |
2 ms |
852 KB |
Output is correct |
| 33 |
Correct |
2 ms |
852 KB |
Output is correct |
| 34 |
Correct |
3 ms |
852 KB |
Output is correct |
| 35 |
Correct |
3 ms |
852 KB |
Output is correct |
| 36 |
Correct |
2 ms |
852 KB |
Output is correct |
| 37 |
Correct |
2 ms |
852 KB |
Output is correct |
| 38 |
Correct |
3 ms |
852 KB |
Output is correct |
| 39 |
Correct |
4 ms |
852 KB |
Output is correct |
| 40 |
Correct |
3 ms |
852 KB |
Output is correct |
| 41 |
Correct |
2 ms |
928 KB |
Output is correct |
| 42 |
Correct |
2 ms |
852 KB |
Output is correct |
| 43 |
Correct |
2 ms |
852 KB |
Output is correct |
| 44 |
Correct |
2 ms |
852 KB |
Output is correct |
| 45 |
Correct |
2 ms |
852 KB |
Output is correct |
| 46 |
Correct |
2 ms |
852 KB |
Output is correct |
| 47 |
Correct |
3 ms |
928 KB |
Output is correct |
| 48 |
Correct |
2 ms |
852 KB |
Output is correct |
| 49 |
Correct |
3 ms |
852 KB |
Output is correct |
| 50 |
Correct |
2 ms |
852 KB |
Output is correct |
| 51 |
Correct |
2 ms |
920 KB |
Output is correct |
| 52 |
Correct |
203 ms |
88312 KB |
Output is correct |
| 53 |
Correct |
234 ms |
95816 KB |
Output is correct |
| 54 |
Correct |
224 ms |
95888 KB |
Output is correct |
| 55 |
Correct |
252 ms |
95800 KB |
Output is correct |
| 56 |
Correct |
217 ms |
95868 KB |
Output is correct |
| 57 |
Correct |
243 ms |
95860 KB |
Output is correct |
| 58 |
Correct |
224 ms |
95904 KB |
Output is correct |
| 59 |
Correct |
227 ms |
95796 KB |
Output is correct |
| 60 |
Correct |
227 ms |
95804 KB |
Output is correct |
| 61 |
Correct |
214 ms |
95760 KB |
Output is correct |
| 62 |
Correct |
224 ms |
95864 KB |
Output is correct |
| 63 |
Correct |
215 ms |
95776 KB |
Output is correct |
| 64 |
Correct |
222 ms |
95800 KB |
Output is correct |
| 65 |
Correct |
228 ms |
95860 KB |
Output is correct |
| 66 |
Correct |
229 ms |
95788 KB |
Output is correct |
| 67 |
Correct |
236 ms |
95960 KB |
Output is correct |
| 68 |
Correct |
225 ms |
95840 KB |
Output is correct |
