#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define ll long long
#define int ll
using namespace std;
const int N = 3005;
ll a[N],dp[N];
main (){
ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
int n,m;
cin>>n>>m;
for (int i=1;i<=n;i++)
cin>>a[i];
while(m--){
int l,r,k;
cin>>l>>r>>k;
for (int i=l;i<=r;i++) a[i] += k;
for (int i=0;i<=n;i++){
if (i > 0) dp[i] = max(dp[i-1],dp[i]);
int mx = -1e18,mn=1e18;
for (int j=i+1;j<=n;j++){
mx = max(mx,a[j]),mn = min(mn,a[j]);
dp[j] = max(dp[j],dp[i] + mx - mn);
}
}
cout<<dp[n]<<"\n";
for (int i=0;i<=n;i++)
dp[i] = 0;
}
}
Compilation message
Main.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
10 | main (){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
204 KB |
Output is correct |
2 |
Correct |
12 ms |
328 KB |
Output is correct |
3 |
Correct |
9 ms |
332 KB |
Output is correct |
4 |
Correct |
9 ms |
340 KB |
Output is correct |
5 |
Correct |
9 ms |
320 KB |
Output is correct |
6 |
Correct |
11 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
204 KB |
Output is correct |
2 |
Correct |
12 ms |
328 KB |
Output is correct |
3 |
Correct |
9 ms |
332 KB |
Output is correct |
4 |
Correct |
9 ms |
340 KB |
Output is correct |
5 |
Correct |
9 ms |
320 KB |
Output is correct |
6 |
Correct |
11 ms |
332 KB |
Output is correct |
7 |
Execution timed out |
2073 ms |
456 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
204 KB |
Output is correct |
2 |
Correct |
12 ms |
328 KB |
Output is correct |
3 |
Correct |
9 ms |
332 KB |
Output is correct |
4 |
Correct |
9 ms |
340 KB |
Output is correct |
5 |
Correct |
9 ms |
320 KB |
Output is correct |
6 |
Correct |
11 ms |
332 KB |
Output is correct |
7 |
Execution timed out |
2073 ms |
456 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |