#include<bits/stdc++.h>
using namespace std;
const int N = 2e6 + 7;
const int inf = 1e9 + 7;
const long long infll = 1e18 + 7;
int n, q;
long long a[N];
long long GetResult() {
vector<long long> dp(n + 1, 0);
vector<long long> minAt(n + 1, infll);
vector<long long> maxAt(n + 1, -infll);
long long res = -infll;
for (int i = 1; i <= n; i++) {
for (int j = i; j > 0; j--) {
minAt[j] = min(minAt[j], a[i]);
maxAt[j] = max(maxAt[j], a[i]);
dp[i] = max(dp[i], dp[j - 1] + maxAt[j] - minAt[j]);
res = max(res, dp[i]);
}
}
return res;
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> q;
for (int i = 1; i <= n; i++) cin >> a[i];
while (q--) {
int l, r;
long long v;
cin >> l >> r >> v;
for (int i = l; i <= r; i++) a[i] += v;
cout << GetResult();
if (q > 0) cout << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
348 KB |
Output is correct |
2 |
Correct |
10 ms |
348 KB |
Output is correct |
3 |
Correct |
8 ms |
348 KB |
Output is correct |
4 |
Correct |
7 ms |
348 KB |
Output is correct |
5 |
Correct |
8 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
464 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
348 KB |
Output is correct |
2 |
Correct |
10 ms |
348 KB |
Output is correct |
3 |
Correct |
8 ms |
348 KB |
Output is correct |
4 |
Correct |
7 ms |
348 KB |
Output is correct |
5 |
Correct |
8 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
464 KB |
Output is correct |
7 |
Execution timed out |
2044 ms |
536 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
348 KB |
Output is correct |
2 |
Correct |
10 ms |
348 KB |
Output is correct |
3 |
Correct |
8 ms |
348 KB |
Output is correct |
4 |
Correct |
7 ms |
348 KB |
Output is correct |
5 |
Correct |
8 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
464 KB |
Output is correct |
7 |
Execution timed out |
2044 ms |
536 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |