Submission #51468

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
51468	2018-06-18T03:30:26 Z	combi2k2	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	100 / 100	233 ms	5972 KB

foehn_phenomena

#include<bits/stdc++.h>
using namespace std;
#define int long long
const int   N   = 2e5 + 1;
int a[N], n, q, s, t;
int f(int x)    {
    if(x < 0)   return x * s;
    return x * t;
}
signed main(){
    ios_base::sync_with_stdio(false);   cin.tie(0);
    cin >> n >> q >> s >> t;
    int ans = 0;
    for(int i = 0 ; i <= n ; ++i)   {
        cin >> a[i];
        if(i)   {
            a[i - 1] = a[i - 1] - a[i];
            ans += f(a[i - 1]);
        }
    }
    while(q--)  {
        int l, r, x;
        cin >> l >> r >> x;
        if(l > 0)   {
            ans -= f(a[l - 1]); a[l - 1] -= x;
            ans += f(a[l - 1]);
        }
        if(r < n)   {
            ans -= f(a[r]);     a[r] += x;
            ans += f(a[r]);
        }
        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	612 KB	Output is correct
3	Correct	4 ms	612 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	3 ms	716 KB	Output is correct
8	Correct	4 ms	716 KB	Output is correct
9	Correct	3 ms	716 KB	Output is correct
10	Correct	3 ms	716 KB	Output is correct
11	Correct	3 ms	716 KB	Output is correct
12	Correct	4 ms	716 KB	Output is correct
13	Correct	3 ms	740 KB	Output is correct
14	Correct	3 ms	800 KB	Output is correct
15	Correct	3 ms	800 KB	Output is correct
16	Correct	3 ms	800 KB	Output is correct
17	Correct	3 ms	800 KB	Output is correct
18	Correct	3 ms	800 KB	Output is correct
19	Correct	2 ms	800 KB	Output is correct
20	Correct	2 ms	800 KB	Output is correct
21	Correct	2 ms	800 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	132 ms	3684 KB	Output is correct
2	Correct	140 ms	4276 KB	Output is correct
3	Correct	132 ms	4772 KB	Output is correct
4	Correct	135 ms	4772 KB	Output is correct
5	Correct	132 ms	4772 KB	Output is correct
6	Correct	118 ms	5032 KB	Output is correct
7	Correct	126 ms	5032 KB	Output is correct
8	Correct	131 ms	5096 KB	Output is correct
9	Correct	140 ms	5408 KB	Output is correct
10	Correct	154 ms	5408 KB	Output is correct
11	Correct	106 ms	5408 KB	Output is correct
12	Correct	117 ms	5516 KB	Output is correct
13	Correct	112 ms	5972 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	612 KB	Output is correct
3	Correct	4 ms	612 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	4 ms	612 KB	Output is correct
7	Correct	3 ms	716 KB	Output is correct
8	Correct	4 ms	716 KB	Output is correct
9	Correct	3 ms	716 KB	Output is correct
10	Correct	3 ms	716 KB	Output is correct
11	Correct	3 ms	716 KB	Output is correct
12	Correct	4 ms	716 KB	Output is correct
13	Correct	3 ms	740 KB	Output is correct
14	Correct	3 ms	800 KB	Output is correct
15	Correct	3 ms	800 KB	Output is correct
16	Correct	3 ms	800 KB	Output is correct
17	Correct	3 ms	800 KB	Output is correct
18	Correct	3 ms	800 KB	Output is correct
19	Correct	2 ms	800 KB	Output is correct
20	Correct	2 ms	800 KB	Output is correct
21	Correct	2 ms	800 KB	Output is correct
22	Correct	132 ms	3684 KB	Output is correct
23	Correct	140 ms	4276 KB	Output is correct
24	Correct	132 ms	4772 KB	Output is correct
25	Correct	135 ms	4772 KB	Output is correct
26	Correct	132 ms	4772 KB	Output is correct
27	Correct	118 ms	5032 KB	Output is correct
28	Correct	126 ms	5032 KB	Output is correct
29	Correct	131 ms	5096 KB	Output is correct
30	Correct	140 ms	5408 KB	Output is correct
31	Correct	154 ms	5408 KB	Output is correct
32	Correct	106 ms	5408 KB	Output is correct
33	Correct	117 ms	5516 KB	Output is correct
34	Correct	112 ms	5972 KB	Output is correct
35	Correct	130 ms	5972 KB	Output is correct
36	Correct	159 ms	5972 KB	Output is correct
37	Correct	137 ms	5972 KB	Output is correct
38	Correct	136 ms	5972 KB	Output is correct
39	Correct	138 ms	5972 KB	Output is correct
40	Correct	138 ms	5972 KB	Output is correct
41	Correct	138 ms	5972 KB	Output is correct
42	Correct	145 ms	5972 KB	Output is correct
43	Correct	233 ms	5972 KB	Output is correct
44	Correct	149 ms	5972 KB	Output is correct
45	Correct	136 ms	5972 KB	Output is correct
46	Correct	169 ms	5972 KB	Output is correct
47	Correct	119 ms	5972 KB	Output is correct
48	Correct	108 ms	5972 KB	Output is correct
49	Correct	124 ms	5972 KB	Output is correct
50	Correct	112 ms	5972 KB	Output is correct
51	Correct	115 ms	5972 KB	Output is correct
52	Correct	105 ms	5972 KB	Output is correct