oj.uz

Submission #143314

# Submission time Handle Problem Language Result Execution time Memory
143314 2019-08-13T15:42:28 Z osaaateiasavtnl Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 227 ms 7812 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcount
const int N = 2e5 + 7;
int a[N], f[N];
void upd(int i, int x) { for (; i < N; i |= i + 1) f[i] += x; }
int get(int i) { int ans = 0; for (; i >= 0; i &= i + 1, --i) ans += f[i]; return ans; }
int n, q, s, t;
int getv(int i) {
    if (i == n) return 0;
    a[i] = get(i); a[i + 1] = get(i + 1);
    if (a[i] < a[i + 1]) return - s * abs(a[i] - a[i + 1]);
    else return t * abs(a[i] - a[i + 1]);
}
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    cin >> n >> q >> s >> t;
    for (int i = 0; i <= n; ++i) { cin >> a[i]; upd(i, a[i]); upd(i + 1, -a[i]); }
    int ans = 0;
    for (int i = 0; i < n; ++i) ans += getv(i);
    while (q--) {
        int l, r, x; cin >> l >> r >> x;
        ans -= getv(l - 1); ans -= getv(r);
        upd(l, x); upd(r + 1, -x);
        ans += getv(l - 1); ans += getv(r);
        cout << ans << '\n';
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 4 ms 504 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 4 ms 504 KB Output is correct
12 Correct 4 ms 504 KB Output is correct
13 Correct 4 ms 508 KB Output is correct
14 Correct 4 ms 504 KB Output is correct
15 Correct 4 ms 504 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 2 ms 420 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 227 ms 5336 KB Output is correct
2 Correct 203 ms 5912 KB Output is correct
3 Correct 210 ms 6676 KB Output is correct
4 Correct 196 ms 5640 KB Output is correct
5 Correct 197 ms 6392 KB Output is correct
6 Correct 137 ms 6940 KB Output is correct
7 Correct 136 ms 6776 KB Output is correct
8 Correct 196 ms 6776 KB Output is correct
9 Correct 195 ms 7288 KB Output is correct
10 Correct 185 ms 5804 KB Output is correct
11 Correct 142 ms 7032 KB Output is correct
12 Correct 136 ms 7296 KB Output is correct
13 Correct 134 ms 7672 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 504 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 4 ms 504 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 4 ms 504 KB Output is correct
12 Correct 4 ms 504 KB Output is correct
13 Correct 4 ms 508 KB Output is correct
14 Correct 4 ms 504 KB Output is correct
15 Correct 4 ms 504 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 2 ms 420 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 227 ms 5336 KB Output is correct
23 Correct 203 ms 5912 KB Output is correct
24 Correct 210 ms 6676 KB Output is correct
25 Correct 196 ms 5640 KB Output is correct
26 Correct 197 ms 6392 KB Output is correct
27 Correct 137 ms 6940 KB Output is correct
28 Correct 136 ms 6776 KB Output is correct
29 Correct 196 ms 6776 KB Output is correct
30 Correct 195 ms 7288 KB Output is correct
31 Correct 185 ms 5804 KB Output is correct
32 Correct 142 ms 7032 KB Output is correct
33 Correct 136 ms 7296 KB Output is correct
34 Correct 134 ms 7672 KB Output is correct
35 Correct 202 ms 5496 KB Output is correct
36 Correct 202 ms 6936 KB Output is correct
37 Correct 211 ms 7680 KB Output is correct
38 Correct 205 ms 7432 KB Output is correct
39 Correct 203 ms 7416 KB Output is correct
40 Correct 208 ms 7416 KB Output is correct
41 Correct 207 ms 7412 KB Output is correct
42 Correct 204 ms 7388 KB Output is correct
43 Correct 201 ms 6684 KB Output is correct
44 Correct 206 ms 7032 KB Output is correct
45 Correct 197 ms 6828 KB Output is correct
46 Correct 204 ms 7540 KB Output is correct
47 Correct 139 ms 7388 KB Output is correct
48 Correct 158 ms 7812 KB Output is correct
49 Correct 187 ms 6680 KB Output is correct
50 Correct 141 ms 7416 KB Output is correct
51 Correct 138 ms 7536 KB Output is correct
52 Correct 145 ms 7416 KB Output is correct