oj.uz

Submission #795033

# Submission time Handle Problem Language Result Execution time Memory
795033 2023-07-27T05:26:36 Z ttamx Sjeckanje (COCI21_sjeckanje) C++14
55 / 110
 2000 ms 5012 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N=2e5+5;
const int K=1<<19;

int n,q;
ll a[N],d[N],dp[N];

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> q;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=1;i<=n;i++)d[i]=a[i]-a[i-1];
    while(q--){
        int l,r,x;
        cin >> l >> r >> x;
        d[l]+=x;
        d[r+1]-=x;
        for(int i=2;i<=n;i++){
            dp[i]=max(dp[i-2]+abs(d[i]),dp[i-1]);
            if((d[i]^d[i-1])>=0)dp[i]=max(dp[i],dp[i-1]+abs(d[i]));
        }
        cout << dp[n] << "\n";
    }
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 356 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 356 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 34 ms 432 KB Output is correct
8 Correct 34 ms 424 KB Output is correct
9 Correct 34 ms 340 KB Output is correct
10 Correct 34 ms 424 KB Output is correct
11 Correct 35 ms 428 KB Output is correct
12 Correct 29 ms 340 KB Output is correct

Subtask #3
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 356 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 34 ms 432 KB Output is correct
8 Correct 34 ms 424 KB Output is correct
9 Correct 34 ms 340 KB Output is correct
10 Correct 34 ms 424 KB Output is correct
11 Correct 35 ms 428 KB Output is correct
12 Correct 29 ms 340 KB Output is correct
13 Execution timed out 2086 ms 5012 KB Time limit exceeded
14 Halted 0 ms 0 KB -