oj.uz

Submission #1025052

# Submission time Handle Problem Language Result Execution time Memory
1025052 2024-07-16T14:57:07 Z TraianDanciu Long Distance Coach (JOI17_coach) C++17
100 / 100
 241 ms 30984 KB 
#include <stdio.h>
#include <algorithm>

#define MAXN 200000
#define INFINIT 2000000000000000000

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 {
  int a;
  long long b;
  
  inline __int128 eval(__int128 x) {
    return a * x + b;
  }
};

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

void update(Node *&node, long long left, long long right, Line val) {
  long long 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);
    }
  }
}

__int128 query(Node *&node, long long left, long long right,
                                              long long pos) {
  long long middle;
  __int128 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 {
  long long val, aux;
  int tip;
} 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, w, i;
  long long x, t, mult;
  
  scanf("%lld%d%d%d%lld", &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("%lld%lld", &v[i].val, &v[i].aux);
    v[i].tip = 1;
  }
  
  m++;
  v[n + m] = (struct Arbore){.val = x % t, .aux = x, .tip = 0};
  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++) {
    update(lichao, 0, INFINIT, (struct Line){.a = -cnt[i - 1],
                                    .b = dp[i - 1] - sp[i - 1]});
    
    if(v[i].tip == 0) {
      mult = 1LL * (v[i].aux - v[i].val) / t * w;
      dp[i] = sp[i] + mult * cnt[i] + (long long)query(lichao, 0,
                                              INFINIT, mult);
    } else {
      dp[i] = dp[i - 1] + 1LL * w * (x / t + (v[i].val <= x % t));
    }
  }
  
  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%lld", &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("%lld%lld", &v[i].val, &v[i].aux);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 428 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 428 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 392 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 412 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 432 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 428 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 392 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 412 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 432 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 536 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 520 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 700 KB Output is correct
47 Correct 1 ms 448 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 1 ms 444 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 428 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 392 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 412 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 432 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 536 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 520 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 700 KB Output is correct
47 Correct 1 ms 448 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 1 ms 444 KB Output is correct
52 Correct 143 ms 23280 KB Output is correct
53 Correct 156 ms 23324 KB Output is correct
54 Correct 192 ms 22352 KB Output is correct
55 Correct 188 ms 22608 KB Output is correct
56 Correct 161 ms 22868 KB Output is correct
57 Correct 164 ms 22608 KB Output is correct
58 Correct 138 ms 23212 KB Output is correct
59 Correct 196 ms 22608 KB Output is correct
60 Correct 195 ms 22340 KB Output is correct
61 Correct 186 ms 22492 KB Output is correct
62 Correct 184 ms 22612 KB Output is correct
63 Correct 241 ms 30984 KB Output is correct
64 Correct 192 ms 23384 KB Output is correct
65 Correct 160 ms 23376 KB Output is correct
66 Correct 137 ms 23136 KB Output is correct
67 Correct 185 ms 23304 KB Output is correct
68 Correct 167 ms 23380 KB Output is correct
69 Correct 147 ms 23124 KB Output is correct
70 Correct 166 ms 23016 KB Output is correct
71 Correct 146 ms 23100 KB Output is correct
72 Correct 148 ms 23120 KB Output is correct
73 Correct 146 ms 23120 KB Output is correct
74 Correct 142 ms 23124 KB Output is correct
75 Correct 116 ms 23136 KB Output is correct
76 Correct 114 ms 23120 KB Output is correct
77 Correct 240 ms 22868 KB Output is correct
78 Correct 184 ms 23104 KB Output is correct
79 Correct 155 ms 22612 KB Output is correct
80 Correct 142 ms 22616 KB Output is correct