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Submission #129324

# Submission time Handle Problem Language Result Execution time Memory
129324 2019-07-12T03:20:53 Z trinhhung Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 148 ms 7304 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long

const int N = 2e5 + 5;
int n, s, t, q, ans = 0;
int a[N], f[N];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> q >> s >> t;
    for(int i = 0; i <= n; ++ i) cin >> a[i];
    for(int i = 1; i <= n; ++ i){
        f[i] = a[i] - a[i-1];
        if(f[i] > 0) ans = ans - f[i] * s;
        else ans = ans - f[i] * t;
    }
    while(q --){
        int l, r, x;
        cin >> l >> r >> x;
        if(f[l] > 0) ans += f[l] * s;
        else ans += f[l] * t;
        f[l] += x;
        if(f[l] > 0) ans -= f[l] * s;
        else ans -= f[l] * t;
        if(r >= n){
            cout << ans << '\n';
            continue;
        }
        if(f[r + 1] > 0) ans += f[r + 1] * s;
        else ans += f[r + 1] * t;
        f[r + 1] -= x;
        if(f[r + 1] > 0) ans -= f[r + 1] * s;
        else ans -= f[r + 1] * t;
        cout << ans << '\n';
     }

}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 420 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 444 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 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 139 ms 5088 KB Output is correct
2 Correct 136 ms 5524 KB Output is correct
3 Correct 140 ms 6076 KB Output is correct
4 Correct 136 ms 5240 KB Output is correct
5 Correct 140 ms 6008 KB Output is correct
6 Correct 115 ms 6520 KB Output is correct
7 Correct 112 ms 6448 KB Output is correct
8 Correct 141 ms 6456 KB Output is correct
9 Correct 143 ms 6648 KB Output is correct
10 Correct 134 ms 5496 KB Output is correct
11 Correct 111 ms 6644 KB Output is correct
12 Correct 113 ms 6848 KB Output is correct
13 Correct 112 ms 7304 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 416 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 420 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 444 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 139 ms 5088 KB Output is correct
23 Correct 136 ms 5524 KB Output is correct
24 Correct 140 ms 6076 KB Output is correct
25 Correct 136 ms 5240 KB Output is correct
26 Correct 140 ms 6008 KB Output is correct
27 Correct 115 ms 6520 KB Output is correct
28 Correct 112 ms 6448 KB Output is correct
29 Correct 141 ms 6456 KB Output is correct
30 Correct 143 ms 6648 KB Output is correct
31 Correct 134 ms 5496 KB Output is correct
32 Correct 111 ms 6644 KB Output is correct
33 Correct 113 ms 6848 KB Output is correct
34 Correct 112 ms 7304 KB Output is correct
35 Correct 137 ms 5176 KB Output is correct
36 Correct 145 ms 6512 KB Output is correct
37 Correct 146 ms 7288 KB Output is correct
38 Correct 144 ms 7032 KB Output is correct
39 Correct 146 ms 7160 KB Output is correct
40 Correct 148 ms 7160 KB Output is correct
41 Correct 146 ms 6876 KB Output is correct
42 Correct 145 ms 7060 KB Output is correct
43 Correct 145 ms 6316 KB Output is correct
44 Correct 147 ms 6648 KB Output is correct
45 Correct 141 ms 6484 KB Output is correct
46 Correct 147 ms 7160 KB Output is correct
47 Correct 115 ms 7200 KB Output is correct
48 Correct 114 ms 7288 KB Output is correct
49 Correct 125 ms 6220 KB Output is correct
50 Correct 110 ms 7032 KB Output is correct
51 Correct 112 ms 7004 KB Output is correct
52 Correct 112 ms 7064 KB Output is correct