oj.uz

Submission #197025

# Submission time Handle Problem Language Result Execution time Memory
197025 2020-01-18T07:10:50 Z quocnguyen1012 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 166 ms 11652 KB 
#include <bits/stdc++.h>

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

using namespace std;
typedef long long ll;

const int maxn = 2e5 + 5;

int N, Q, S, T;
ll a[maxn];
ll res = 0;

void add(int pos, int val)
{
  if (pos == N) return;
  res -= 1ll * a[pos] * (a[pos] < 0 ? S : T);
  a[pos] += val;
  res += 1ll * a[pos] * (a[pos] < 0 ? S : T);
}

signed main(void)
{
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  if (fopen("A.INP", "r")){
    freopen("A.INP", "r", stdin);
    freopen("A.OUT", "w", stdout);
  }
  cin >> N >> Q >> S >> T;
  for (int i = 0; i <= N; ++i){
    cin >> a[i];
  }
  for (int i = 0; i < N; ++i){
    int x = a[i] - a[i + 1]; a[i] = 0;
    add(i, x);
  }
  while (Q--){
    int l, r, val; cin >> l >> r >> val;
    add(l - 1, -val); add(r, val);
    cout << res << '\n';
  }
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:29:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.INP", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
foehn_phenomena.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("A.OUT", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 252 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 424 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 248 KB Output is correct
13 Correct 3 ms 416 KB Output is correct
14 Correct 3 ms 352 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 3 ms 248 KB Output is correct
18 Correct 3 ms 380 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 131 ms 3440 KB Output is correct
2 Correct 136 ms 3976 KB Output is correct
3 Correct 141 ms 4436 KB Output is correct
4 Correct 134 ms 3656 KB Output is correct
5 Correct 143 ms 4512 KB Output is correct
6 Correct 119 ms 4756 KB Output is correct
7 Correct 115 ms 4912 KB Output is correct
8 Correct 139 ms 4900 KB Output is correct
9 Correct 139 ms 5112 KB Output is correct
10 Correct 139 ms 3924 KB Output is correct
11 Correct 110 ms 4864 KB Output is correct
12 Correct 114 ms 5172 KB Output is correct
13 Correct 114 ms 10344 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 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 252 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 424 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 3 ms 248 KB Output is correct
13 Correct 3 ms 416 KB Output is correct
14 Correct 3 ms 352 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 3 ms 248 KB Output is correct
18 Correct 3 ms 380 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 131 ms 3440 KB Output is correct
23 Correct 136 ms 3976 KB Output is correct
24 Correct 141 ms 4436 KB Output is correct
25 Correct 134 ms 3656 KB Output is correct
26 Correct 143 ms 4512 KB Output is correct
27 Correct 119 ms 4756 KB Output is correct
28 Correct 115 ms 4912 KB Output is correct
29 Correct 139 ms 4900 KB Output is correct
30 Correct 139 ms 5112 KB Output is correct
31 Correct 139 ms 3924 KB Output is correct
32 Correct 110 ms 4864 KB Output is correct
33 Correct 114 ms 5172 KB Output is correct
34 Correct 114 ms 10344 KB Output is correct
35 Correct 144 ms 8868 KB Output is correct
36 Correct 146 ms 10328 KB Output is correct
37 Correct 143 ms 11132 KB Output is correct
38 Correct 151 ms 11008 KB Output is correct
39 Correct 166 ms 10956 KB Output is correct
40 Correct 146 ms 10804 KB Output is correct
41 Correct 140 ms 10584 KB Output is correct
42 Correct 144 ms 10732 KB Output is correct
43 Correct 144 ms 10104 KB Output is correct
44 Correct 142 ms 10572 KB Output is correct
45 Correct 140 ms 10580 KB Output is correct
46 Correct 150 ms 11652 KB Output is correct
47 Correct 119 ms 10172 KB Output is correct
48 Correct 117 ms 10000 KB Output is correct
49 Correct 129 ms 9204 KB Output is correct
50 Correct 112 ms 9904 KB Output is correct
51 Correct 123 ms 10424 KB Output is correct
52 Correct 115 ms 10068 KB Output is correct