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Submission #332864

# Submission time Handle Problem Language Result Execution time Memory
332864 2020-12-03T21:13:30 Z limabeans Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 134 ms 13164 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;


const int maxn = 1e6 + 5;


ll n,q,s,t;

ll a[maxn];
ll diff[maxn];

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>q>>s>>t;
    for (int i=0; i<=n; i++) {
	cin>>a[i];
    }


    auto get = [&](ll dx) {
	if (dx>0) {
	    return -abs(dx)*s;
	} else {
	    return +abs(dx)*t;
	}
    };

    ll res = 0;
    for (int i=1; i<=n; i++) {
	diff[i] = a[i]-a[i-1];
	res += get(diff[i]);
    }


    while (q--) {
	ll l,r,x;
	cin>>l>>r>>x;
	res -= get(diff[l]);
	diff[l] += x;
	res += get(diff[l]);

	if (r<n) {
	    res -= get(diff[r+1]);
	    diff[r+1] -= x;
	    res += get(diff[r+1]);
	}
	
	cout<<res<<"\n";
    }
    
    
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 49 ms 364 KB Output is correct
19 Correct 33 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 8684 KB Output is correct
2 Correct 120 ms 11116 KB Output is correct
3 Correct 119 ms 11628 KB Output is correct
4 Correct 116 ms 10988 KB Output is correct
5 Correct 123 ms 12140 KB Output is correct
6 Correct 105 ms 11116 KB Output is correct
7 Correct 102 ms 11116 KB Output is correct
8 Correct 119 ms 11884 KB Output is correct
9 Correct 118 ms 12212 KB Output is correct
10 Correct 118 ms 10988 KB Output is correct
11 Correct 98 ms 10988 KB Output is correct
12 Correct 99 ms 11756 KB Output is correct
13 Correct 100 ms 12012 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 2 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 49 ms 364 KB Output is correct
19 Correct 33 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 118 ms 8684 KB Output is correct
23 Correct 120 ms 11116 KB Output is correct
24 Correct 119 ms 11628 KB Output is correct
25 Correct 116 ms 10988 KB Output is correct
26 Correct 123 ms 12140 KB Output is correct
27 Correct 105 ms 11116 KB Output is correct
28 Correct 102 ms 11116 KB Output is correct
29 Correct 119 ms 11884 KB Output is correct
30 Correct 118 ms 12212 KB Output is correct
31 Correct 118 ms 10988 KB Output is correct
32 Correct 98 ms 10988 KB Output is correct
33 Correct 99 ms 11756 KB Output is correct
34 Correct 100 ms 12012 KB Output is correct
35 Correct 120 ms 10476 KB Output is correct
36 Correct 119 ms 11884 KB Output is correct
37 Correct 125 ms 12652 KB Output is correct
38 Correct 121 ms 12524 KB Output is correct
39 Correct 121 ms 12524 KB Output is correct
40 Correct 121 ms 12524 KB Output is correct
41 Correct 134 ms 12524 KB Output is correct
42 Correct 126 ms 12524 KB Output is correct
43 Correct 125 ms 11756 KB Output is correct
44 Correct 123 ms 12140 KB Output is correct
45 Correct 117 ms 12268 KB Output is correct
46 Correct 120 ms 13164 KB Output is correct
47 Correct 103 ms 11756 KB Output is correct
48 Correct 102 ms 11756 KB Output is correct
49 Correct 105 ms 10732 KB Output is correct
50 Correct 97 ms 11628 KB Output is correct
51 Correct 100 ms 12012 KB Output is correct
52 Correct 100 ms 11756 KB Output is correct