oj.uz

Submission #1024653

# Submission time Handle Problem Language Result Execution time Memory
1024653 2024-07-16T08:54:03 Z TraianDanciu Long Distance Coach (JOI17_coach) C++17
71 / 100
 2000 ms 18520 KB 
#include <stdio.h>
#include <algorithm>

#define MAXN 200000
#define INFINIT 1000000000000000000

static inline long long min(long long a, long long b) {
  return a < b ? a : b;
}
static inline long long max(long long a, long long b) {
  return a > b ? a : b;
}

// lichao incoming
/*
struct Line {
  long long a, b;
  
  inline long long eval(long long x) {
    return a * x + b;
  }
};

struct Node {
  Node *st, *dr;
  Line val;
  
  Node(Line val) {
    st = dr = nullptr;
    this->val = val;
  }
};

void update(Node *&node, int left, int right, Line val) {
  int middle;
  
  if(node == nullptr) {
    node = new Node(val);
  } else {
    middle = (left + right) / 2;
    
    if(node->val.eval(middle) > val.eval(middle)) {
      std::swap(node->val, val);
    }
    
    if(node->val.eval(left) > val.eval(left)) {
      update(node->st, left, middle, val);
    }
    if(node->val.eval(right) > val.eval(right)) {
      update(node->dr, middle + 1, right, val);
    }
  }
}

long long query(Node *&node, int left, int right, long long pos) {
  int middle;
  long long ans;
  
  if(node == nullptr) {
    return INFINIT;
  }
  
  middle = (left + right) / 2;
  ans = node->val.eval(pos);
  
  if(pos <= middle) {
    ans = min(ans, query(node->st, left, middle, pos));
  } else {
    ans = min(ans, query(node->dr, middle + 1, right, pos));
  }
  
  return ans;
}
*/

struct Arbore {
  int val, tip;
  long long aux;
} v[2 * MAXN + 2];
static inline int compar(Arbore a, Arbore b) {
  return a.val < b.val;
}
long long sp[2 * MAXN + 2], dp[2 * MAXN];
int cnt[2 * MAXN + 2];

int main() {
  int n, m, t, w, i, j;
  long long x;
  
  scanf("%lld%d%d%d%d", &x, &n, &m, &w, &t);
  for(i = 1; i <= n; i++) {
    scanf("%lld", &v[i].aux);
    v[i].val = v[i].aux % t;
    v[i].tip = 0;
  }
  
  for(i = n + 1; i <= n + m; i++) {
    scanf("%d%lld", &v[i].val, &v[i].aux);
    v[i].tip = 1;
  }
  
  m++;
  v[n + m] = (struct Arbore){.val = (int)(x % t), .tip = 0, .aux = x};
  std::sort(v + 1, v + n + m + 1, compar);
  
  for(i = 1; i <= n + m; i++) {
    sp[i] = sp[i - 1] + v[i].aux * v[i].tip;
    cnt[i] = cnt[i - 1] + v[i].tip;
  }
  
  dp[0] = 1LL * (x / t + 1) * w;
  for(i = 1; i <= n + m; i++) {
    if(v[i].tip == 0) {
      dp[i] = INFINIT;
      for(j = 0; j < i; j++) {
        dp[i] = min(dp[i], dp[j] + sp[i] - sp[j] + (v[i].aux
              - v[i].val) / t * 1LL * w * (cnt[i] - cnt[j]));
      }
    } else {
      dp[i] = dp[i - 1] + 1LL * w * (x / t + (v[i].val <= x % t));
    }
  }
  
  // adaug la final si pentru sofer
  printf("%lld\n", dp[n + m]);
  return 0;
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:90:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |   scanf("%lld%d%d%d%d", &x, &n, &m, &w, &t);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:92:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   92 |     scanf("%lld", &v[i].aux);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
coach.cpp:98:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |     scanf("%d%lld", &v[i].val, &v[i].aux);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4496 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4528 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 1 ms 4528 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4496 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4528 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 1 ms 4528 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4532 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4496 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4528 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 1 ms 4528 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4532 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 7 ms 4444 KB Output is correct
39 Correct 6 ms 4628 KB Output is correct
40 Correct 6 ms 4444 KB Output is correct
41 Correct 7 ms 4444 KB Output is correct
42 Correct 6 ms 4540 KB Output is correct
43 Correct 4 ms 4612 KB Output is correct
44 Correct 6 ms 4440 KB Output is correct
45 Correct 6 ms 4444 KB Output is correct
46 Correct 6 ms 4560 KB Output is correct
47 Correct 6 ms 4632 KB Output is correct
48 Correct 6 ms 4444 KB Output is correct
49 Correct 6 ms 4444 KB Output is correct
50 Correct 6 ms 4620 KB Output is correct
51 Correct 6 ms 4444 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4496 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4528 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4440 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 0 ms 4444 KB Output is correct
14 Correct 1 ms 4528 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 0 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 0 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4532 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 7 ms 4444 KB Output is correct
39 Correct 6 ms 4628 KB Output is correct
40 Correct 6 ms 4444 KB Output is correct
41 Correct 7 ms 4444 KB Output is correct
42 Correct 6 ms 4540 KB Output is correct
43 Correct 4 ms 4612 KB Output is correct
44 Correct 6 ms 4440 KB Output is correct
45 Correct 6 ms 4444 KB Output is correct
46 Correct 6 ms 4560 KB Output is correct
47 Correct 6 ms 4632 KB Output is correct
48 Correct 6 ms 4444 KB Output is correct
49 Correct 6 ms 4444 KB Output is correct
50 Correct 6 ms 4620 KB Output is correct
51 Correct 6 ms 4444 KB Output is correct
52 Execution timed out 2061 ms 18520 KB Time limit exceeded
53 Halted 0 ms 0 KB -