oj.uz

Submission #102703

# Submission time Handle Problem Language Result Execution time Memory
102703 2019-03-27T04:41:33 Z wxh010910 Horses (IOI15_horses) C++17
100 / 100
 216 ms 45508 KB 
#include <bits/stdc++.h>
#include "horses.h"

using namespace std;

const int md = (int) 1e9 + 7;
const long long inf = 1ll << 30;

inline int mul(int x, int y) {
  return (int) ((long long) x * y % md);
}

class node {
 public:
  int all;
  int left;
  int right;
  int sell;
  int prod;
  int ans;
};

vector<node> tree;
vector<int> a, b;
int n;

void pull(int x, int z) {
  tree[x].all = min((long long) tree[x + 1].all * tree[z].all, inf);
  tree[x].prod = mul(tree[x + 1].prod, tree[z].prod);
  if (tree[x + 1].sell > (long long) tree[x + 1].right * tree[z].left) {
    tree[x].ans = tree[x + 1].ans;
    tree[x].sell = tree[x + 1].sell;
    tree[x].left = tree[x + 1].left;
    tree[x].right = min((long long) tree[x + 1].right * tree[z].all, inf);
  } else {
    tree[x].ans = mul(tree[z].ans, tree[x + 1].prod);
    tree[x].sell = tree[z].sell;
    tree[x].left = min((long long) tree[x + 1].all * tree[z].left, inf);
    tree[x].right = tree[z].right;
  }
}

void build(int x, int l, int r) {
  if (l == r) {
    tree[x].all = a[l];
    tree[x].prod = a[l];
    tree[x].ans = mul(a[l], b[l]);
    tree[x].sell = b[l];
    tree[x].left = min((long long) a[l] * b[l], inf);
    tree[x].right = 1;
  } else {
    int y = (l + r) >> 1, z = x + ((y - l + 1) << 1);
    build(x + 1, l, y);
    build(z, y + 1, r);
    pull(x, z);
  }
}

void modify(int x, int l, int r, int p) {
  if (l == r) {
    tree[x].all = a[l];
    tree[x].prod = a[l];
    tree[x].ans = mul(a[l], b[l]);
    tree[x].sell = b[l];
    tree[x].left = min((long long) a[l] * b[l], inf);
    tree[x].right = 1;
  } else {
    int y = (l + r) >> 1, z = x + ((y - l + 1) << 1);
    if (p <= y) {
      modify(x + 1, l, y, p);
    } else {
      modify(z, y + 1, r, p);
    }
    pull(x, z);
  }
}

int init(int N, int X[], int Y[]) {
  n = N;
  for (int i = 0; i < n; ++i) {
    a.push_back(X[i]);
    b.push_back(Y[i]);
  }
  tree.resize(n * 2 - 1);
  build(0, 0, n - 1);
  return tree[0].ans;
}

int updateX(int pos, int val) {
  a[pos] = val;
  modify(0, 0, n - 1, pos);
  return tree[0].ans;
}

int updateY(int pos, int val) {
  b[pos] = val;
  modify(0, 0, n - 1, pos);
  return tree[0].ans;
}

Compilation message

horses.cpp: In function 'void pull(int, int)':
horses.cpp:28:20: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
   tree[x].all = min((long long) tree[x + 1].all * tree[z].all, inf);
                 ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
horses.cpp:34:24: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     tree[x].right = min((long long) tree[x + 1].right * tree[z].all, inf);
                     ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
horses.cpp:38:23: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     tree[x].left = min((long long) tree[x + 1].all * tree[z].left, inf);
                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
horses.cpp: In function 'void build(int, int, int)':
horses.cpp:49:23: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     tree[x].left = min((long long) a[l] * b[l], inf);
                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
horses.cpp: In function 'void modify(int, int, int, int)':
horses.cpp:65:23: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     tree[x].left = min((long long) a[l] * b[l], inf);
                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 368 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 256 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 3 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 256 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 3 ms 384 KB Output is correct
32 Correct 2 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 36736 KB Output is correct
2 Correct 212 ms 45484 KB Output is correct
3 Correct 176 ms 36700 KB Output is correct
4 Correct 192 ms 40548 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 3 ms 256 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 86 ms 35932 KB Output is correct
34 Correct 71 ms 35932 KB Output is correct
35 Correct 91 ms 42812 KB Output is correct
36 Correct 98 ms 42832 KB Output is correct
37 Correct 61 ms 34112 KB Output is correct
38 Correct 63 ms 35056 KB Output is correct
39 Correct 54 ms 34012 KB Output is correct
40 Correct 86 ms 37848 KB Output is correct
41 Correct 53 ms 34012 KB Output is correct
42 Correct 54 ms 34140 KB Output is correct
43 Correct 74 ms 38308 KB Output is correct
44 Correct 66 ms 38236 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 404 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 368 KB Output is correct
21 Correct 3 ms 256 KB Output is correct
22 Correct 3 ms 256 KB Output is correct
23 Correct 3 ms 512 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 3 ms 384 KB Output is correct
31 Correct 3 ms 512 KB Output is correct
32 Correct 2 ms 384 KB Output is correct
33 Correct 98 ms 36572 KB Output is correct
34 Correct 196 ms 45508 KB Output is correct
35 Correct 199 ms 36676 KB Output is correct
36 Correct 204 ms 40532 KB Output is correct
37 Correct 77 ms 35928 KB Output is correct
38 Correct 70 ms 36020 KB Output is correct
39 Correct 90 ms 42840 KB Output is correct
40 Correct 94 ms 42740 KB Output is correct
41 Correct 65 ms 34104 KB Output is correct
42 Correct 62 ms 35024 KB Output is correct
43 Correct 52 ms 34108 KB Output is correct
44 Correct 70 ms 37852 KB Output is correct
45 Correct 55 ms 34016 KB Output is correct
46 Correct 60 ms 34112 KB Output is correct
47 Correct 71 ms 38384 KB Output is correct
48 Correct 70 ms 38364 KB Output is correct
49 Correct 199 ms 37848 KB Output is correct
50 Correct 204 ms 37856 KB Output is correct
51 Correct 131 ms 44680 KB Output is correct
52 Correct 143 ms 44120 KB Output is correct
53 Correct 216 ms 36316 KB Output is correct
54 Correct 111 ms 36744 KB Output is correct
55 Correct 91 ms 35036 KB Output is correct
56 Correct 113 ms 39624 KB Output is correct
57 Correct 93 ms 35676 KB Output is correct
58 Correct 98 ms 36188 KB Output is correct
59 Correct 73 ms 38240 KB Output is correct