oj.uz

Submission #51495

# Submission time Handle Problem Language Result Execution time Memory
51495 2018-06-18T04:18:45 Z Flying_dragon_02 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 177 ms 7528 KB 
#include<bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair

typedef pair<long long,long long> ii;

long long n,q;
long long a[200005],sum,total,s,t,b[200005];

int main(){
    cin.tie(0),cout.tie(0),ios::sync_with_stdio(0);
    cin >> n >> q >> s >> t;
    for(int i = 0;i<=n;i++)
        cin >> a[i];

    long long ans = 0;
    for(int i = 1;i<=n;i++){
        b[i] = a[i] - a[i - 1];
        if (b[i] >= 0) total -= b[i] * s;
        else total -= b[i] * t;
    }
    while(q--){
        long long l,r;
        long long x;
        cin >> l >> r >> x;
        if (b[l] >= 0) total += b[l] * s;
        else total += b[l] * t;
        b[l] += x;
        if (b[l] >= 0) total -= b[l] * s;
        else total -= b[l] * t;

        if (r < n) {
            if (b[r + 1] >= 0) total += b[r + 1] * s;
            else total += b[r + 1] * t;

            b[r + 1] -= x;
            if (b[r + 1] >= 0) total -= b[r + 1] * s;
            else total -= b[r + 1] * t;
        }
        cout<<total<<"\n";
    }
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:21:15: warning: unused variable 'ans' [-Wunused-variable]
     long long ans = 0;
               ^~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 4 ms 484 KB Output is correct
3 Correct 4 ms 576 KB Output is correct
4 Correct 3 ms 576 KB Output is correct
5 Correct 3 ms 576 KB Output is correct
6 Correct 3 ms 628 KB Output is correct
7 Correct 3 ms 628 KB Output is correct
8 Correct 3 ms 692 KB Output is correct
9 Correct 4 ms 692 KB Output is correct
10 Correct 3 ms 692 KB Output is correct
11 Correct 3 ms 692 KB Output is correct
12 Correct 3 ms 692 KB Output is correct
13 Correct 4 ms 692 KB Output is correct
14 Correct 3 ms 692 KB Output is correct
15 Correct 4 ms 692 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 3 ms 692 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 2 ms 692 KB Output is correct
20 Correct 2 ms 692 KB Output is correct
21 Correct 2 ms 720 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 5180 KB Output is correct
2 Correct 125 ms 5756 KB Output is correct
3 Correct 177 ms 6284 KB Output is correct
4 Correct 142 ms 6284 KB Output is correct
5 Correct 143 ms 6308 KB Output is correct
6 Correct 107 ms 6628 KB Output is correct
7 Correct 130 ms 6640 KB Output is correct
8 Correct 150 ms 6640 KB Output is correct
9 Correct 131 ms 6984 KB Output is correct
10 Correct 173 ms 6984 KB Output is correct
11 Correct 116 ms 6984 KB Output is correct
12 Correct 107 ms 7040 KB Output is correct
13 Correct 109 ms 7528 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 4 ms 484 KB Output is correct
3 Correct 4 ms 576 KB Output is correct
4 Correct 3 ms 576 KB Output is correct
5 Correct 3 ms 576 KB Output is correct
6 Correct 3 ms 628 KB Output is correct
7 Correct 3 ms 628 KB Output is correct
8 Correct 3 ms 692 KB Output is correct
9 Correct 4 ms 692 KB Output is correct
10 Correct 3 ms 692 KB Output is correct
11 Correct 3 ms 692 KB Output is correct
12 Correct 3 ms 692 KB Output is correct
13 Correct 4 ms 692 KB Output is correct
14 Correct 3 ms 692 KB Output is correct
15 Correct 4 ms 692 KB Output is correct
16 Correct 3 ms 692 KB Output is correct
17 Correct 3 ms 692 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 2 ms 692 KB Output is correct
20 Correct 2 ms 692 KB Output is correct
21 Correct 2 ms 720 KB Output is correct
22 Correct 153 ms 5180 KB Output is correct
23 Correct 125 ms 5756 KB Output is correct
24 Correct 177 ms 6284 KB Output is correct
25 Correct 142 ms 6284 KB Output is correct
26 Correct 143 ms 6308 KB Output is correct
27 Correct 107 ms 6628 KB Output is correct
28 Correct 130 ms 6640 KB Output is correct
29 Correct 150 ms 6640 KB Output is correct
30 Correct 131 ms 6984 KB Output is correct
31 Correct 173 ms 6984 KB Output is correct
32 Correct 116 ms 6984 KB Output is correct
33 Correct 107 ms 7040 KB Output is correct
34 Correct 109 ms 7528 KB Output is correct
35 Correct 126 ms 7528 KB Output is correct
36 Correct 130 ms 7528 KB Output is correct
37 Correct 139 ms 7528 KB Output is correct
38 Correct 133 ms 7528 KB Output is correct
39 Correct 143 ms 7528 KB Output is correct
40 Correct 174 ms 7528 KB Output is correct
41 Correct 159 ms 7528 KB Output is correct
42 Correct 136 ms 7528 KB Output is correct
43 Correct 171 ms 7528 KB Output is correct
44 Correct 166 ms 7528 KB Output is correct
45 Correct 153 ms 7528 KB Output is correct
46 Correct 175 ms 7528 KB Output is correct
47 Correct 123 ms 7528 KB Output is correct
48 Correct 137 ms 7528 KB Output is correct
49 Correct 124 ms 7528 KB Output is correct
50 Correct 119 ms 7528 KB Output is correct
51 Correct 140 ms 7528 KB Output is correct
52 Correct 113 ms 7528 KB Output is correct