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Submission #231296

# Submission time Handle Problem Language Result Execution time Memory
231296 2020-05-13T10:41:16 Z AlexLuchianov Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 140 ms 13176 KB 
#include <iostream>
#include <vector>
#include <cassert>
#include <cmath>

using namespace std;

using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))

int const nmax = 200000;
ll v[5 + nmax], dif[1 + nmax];
int s, t;

ll getvalue(int pos){
  if(0 < dif[pos])
    return dif[pos] * t;
  else
    return dif[pos] * s;
}


int main()
{
  ios::sync_with_stdio(0);
  cin.tie(0);

  int n, q;
  cin >> n >> q >> s >> t;
  for(int i = 0;i <= n; i++)
    cin >> v[i];
  for(int i = 0; i < n; i++)
    dif[i] = v[i] - v[i + 1];
  ll result = 0;
  for(int i = 0; i < n; i++)
    result += getvalue(i);

  for(int i = 1; i <= q; i++){
    int x, y, val;
    cin >> x >> y >> val;
    result -= getvalue(x - 1);
    if(y < n)
      result -= getvalue(y);
    dif[x - 1] -= val;
    if(y < n)
      dif[y] += val;
    result += getvalue(x - 1);
    if(y < n)
      result += getvalue(y);
    cout << result << '\n';
  }
  return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 10360 KB Output is correct
2 Correct 132 ms 11000 KB Output is correct
3 Correct 135 ms 11640 KB Output is correct
4 Correct 132 ms 10872 KB Output is correct
5 Correct 133 ms 12024 KB Output is correct
6 Correct 112 ms 11128 KB Output is correct
7 Correct 112 ms 11000 KB Output is correct
8 Correct 130 ms 11896 KB Output is correct
9 Correct 138 ms 12256 KB Output is correct
10 Correct 131 ms 11000 KB Output is correct
11 Correct 104 ms 11000 KB Output is correct
12 Correct 107 ms 11768 KB Output is correct
13 Correct 115 ms 11896 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 6 ms 512 KB Output is correct
6 Correct 6 ms 512 KB Output is correct
7 Correct 6 ms 512 KB Output is correct
8 Correct 6 ms 512 KB Output is correct
9 Correct 6 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 137 ms 10360 KB Output is correct
23 Correct 132 ms 11000 KB Output is correct
24 Correct 135 ms 11640 KB Output is correct
25 Correct 132 ms 10872 KB Output is correct
26 Correct 133 ms 12024 KB Output is correct
27 Correct 112 ms 11128 KB Output is correct
28 Correct 112 ms 11000 KB Output is correct
29 Correct 130 ms 11896 KB Output is correct
30 Correct 138 ms 12256 KB Output is correct
31 Correct 131 ms 11000 KB Output is correct
32 Correct 104 ms 11000 KB Output is correct
33 Correct 107 ms 11768 KB Output is correct
34 Correct 115 ms 11896 KB Output is correct
35 Correct 128 ms 10464 KB Output is correct
36 Correct 134 ms 11896 KB Output is correct
37 Correct 132 ms 12664 KB Output is correct
38 Correct 133 ms 12536 KB Output is correct
39 Correct 140 ms 12692 KB Output is correct
40 Correct 128 ms 12536 KB Output is correct
41 Correct 135 ms 12280 KB Output is correct
42 Correct 130 ms 12480 KB Output is correct
43 Correct 132 ms 11640 KB Output is correct
44 Correct 138 ms 12024 KB Output is correct
45 Correct 134 ms 12156 KB Output is correct
46 Correct 134 ms 13176 KB Output is correct
47 Correct 111 ms 11768 KB Output is correct
48 Correct 122 ms 11768 KB Output is correct
49 Correct 124 ms 10744 KB Output is correct
50 Correct 115 ms 11592 KB Output is correct
51 Correct 114 ms 11896 KB Output is correct
52 Correct 109 ms 11768 KB Output is correct