#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define db double
#define ll __int128
#define int long long
#define pb push_back
#define fs first
#define sd second
#define Mod long(1e9 + 7)
#define all(x) x.begin(), x.end()
#define unvisited long(-1)
#define Eps double(1e-9)
#define _for(i, n) for(int i = 0; i < (n); i++)
#define dbg(x) cout << #x ": " << x << endl;
const int Max = 1e6 + 7, Inf = 1e9 + 7;
void print(bool x) { cout << (x ? "YES" : "NO") << endl; }
string tostring (__int128 x)
{
string ans = "";
while(x > 0)
{
ans += (x % 10 + '0');
x /= 10;
}
reverse(all(ans));
return ans;
}
int ans = 0, n, q, s, t;
int f(int a, int b)
{
if(a < b)
return (a - b) * s;
else
return (a - b) * t;
}
int block[500] = { }, sec[200007] = { }, sqrt_n = 480;
void update(int l, int r, int v)
{
ans -= f(block[((l - 1) / sqrt_n)] + sec[l - 1], block[((l) / sqrt_n)] + sec[l]);
if(r != n) ans -= f(block[((r) / sqrt_n)] + sec[r], block[((r + 1) / sqrt_n)] + sec[r + 1]);
for(int i = l; i <= r; i++)
{
if((i % sqrt_n == 0) && (i + sqrt_n <= r))
block[(i / sqrt_n)] += v, i += sqrt_n - 1;
else
sec[i] += v;
}
ans += f(block[((l - 1) / sqrt_n)] + sec[l - 1], block[((l) / sqrt_n)] + sec[l]);
if(r != n) ans += f(block[((r) / sqrt_n)] + sec[r], block[((r + 1) / sqrt_n)] + sec[r + 1]);
}
void solve()
{
cin >> n >> q >> s >> t;
sqrt_n = n; //sqrt(n) + 1;
for(int i = 0; i <= n; i++)
{
cin >> sec[i];
if(i != 0) ans += f(sec[i-1], sec[i]);
//cerr << "I: " << i << " " << sec[i-1] << " " << sec[i] << endl;
}
//cerr << ans << endl;
while (q--)
{
int l, r, x; cin >> l >> r >> x;
update(l, r, x);
cout << ans << endl;
}
}
int32_t main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int Q = 1; //cin >> Q;
while (Q--)
{
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
348 KB |
Output is correct |
2 |
Correct |
7 ms |
504 KB |
Output is correct |
3 |
Correct |
7 ms |
348 KB |
Output is correct |
4 |
Correct |
7 ms |
484 KB |
Output is correct |
5 |
Correct |
7 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
348 KB |
Output is correct |
7 |
Correct |
7 ms |
600 KB |
Output is correct |
8 |
Correct |
7 ms |
484 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
7 ms |
348 KB |
Output is correct |
11 |
Correct |
7 ms |
348 KB |
Output is correct |
12 |
Correct |
7 ms |
512 KB |
Output is correct |
13 |
Correct |
18 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
7 ms |
348 KB |
Output is correct |
16 |
Correct |
5 ms |
348 KB |
Output is correct |
17 |
Correct |
18 ms |
508 KB |
Output is correct |
18 |
Correct |
18 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1038 ms |
1856 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
348 KB |
Output is correct |
2 |
Correct |
7 ms |
504 KB |
Output is correct |
3 |
Correct |
7 ms |
348 KB |
Output is correct |
4 |
Correct |
7 ms |
484 KB |
Output is correct |
5 |
Correct |
7 ms |
348 KB |
Output is correct |
6 |
Correct |
7 ms |
348 KB |
Output is correct |
7 |
Correct |
7 ms |
600 KB |
Output is correct |
8 |
Correct |
7 ms |
484 KB |
Output is correct |
9 |
Correct |
7 ms |
348 KB |
Output is correct |
10 |
Correct |
7 ms |
348 KB |
Output is correct |
11 |
Correct |
7 ms |
348 KB |
Output is correct |
12 |
Correct |
7 ms |
512 KB |
Output is correct |
13 |
Correct |
18 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
600 KB |
Output is correct |
15 |
Correct |
7 ms |
348 KB |
Output is correct |
16 |
Correct |
5 ms |
348 KB |
Output is correct |
17 |
Correct |
18 ms |
508 KB |
Output is correct |
18 |
Correct |
18 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Execution timed out |
1038 ms |
1856 KB |
Time limit exceeded |
23 |
Halted |
0 ms |
0 KB |
- |