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Submission #153707

# Submission time Handle Problem Language Result Execution time Memory
153707 2019-09-15T09:17:56 Z AlexLuchianov Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 2050 ms 124960 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <stack>

using namespace std;

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

int const nmax = 1000000;
int v[1 + nmax];

vector<pair<int,int>> querys[1 + nmax];
vector<pair<int,int>> interval[1 + nmax];

int sol[1 + nmax];
int key[1 + nmax];

int aint[1 + nmax * 4];

void update(int node, int from, int to, int x, int val){
  if(from < to){
    int mid = (from + to) / 2;
    if(x <= mid)
      update(node * 2 , from, mid, x, val);
    else
      update(node * 2 + 1, mid + 1 , to, x, val);
    aint[node] = MAX(aint[node * 2], aint[node * 2 + 1]);
  } else
    aint[node] = MAX(aint[node], val);
}

int query(int node,int from, int to, int x, int y){
  if(from == x && to == y)
    return aint[node];
  else{
    int mid = (from + to) / 2;
    int result1 = 0, result2 = 0;
    if(x <= mid)
      result1 = query(node * 2, from, mid, x, MIN(y, mid));
    if(mid + 1 <= y)
      result2 = query(node * 2 + 1, mid + 1, to, MAX(mid + 1, x), y);
    return MAX(result1, result2);
  }
}

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

  int n, m;
  cin >> n >> m;
  stack<int> st;
  for(int i = 1; i <= n; i++) {
    cin >> v[i];
    while(0 < st.size() && v[st.top()] <= v[i])
      st.pop();
    if(0 < st.size())
      interval[i].push_back({st.top(), v[st.top()] + v[i]});
    st.push(i);
  }

  for(int i = 1;i <= m; i++){
    int x, y;
    cin >> x >> y >> key[i];
    querys[y].push_back({x, i});
  }

  for(int i = 1;i <= n; i++){
    for(int h = 0; h < interval[i].size(); h++)
      update(1, 1, n, interval[i][h].first, interval[i][h].second);
    for(int h = 0; h < querys[i].size(); h++)
      sol[querys[i][h].second] = query(1, 1, n, querys[i][h].first , i);
 }

  for(int i = 1;i <= m; i++)
    cout << (sol[i] <= key[i]) << '\n';
  return 0;
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int h = 0; h < interval[i].size(); h++)
                    ~~^~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:75:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int h = 0; h < querys[i].size(); h++)
                    ~~^~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 47352 KB Output is correct
2 Correct 54 ms 47352 KB Output is correct
3 Correct 47 ms 47396 KB Output is correct
4 Correct 55 ms 47352 KB Output is correct
5 Correct 53 ms 47324 KB Output is correct
6 Correct 55 ms 47500 KB Output is correct
7 Correct 54 ms 47352 KB Output is correct
8 Correct 46 ms 47344 KB Output is correct
9 Correct 45 ms 47224 KB Output is correct
10 Correct 46 ms 47352 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 47352 KB Output is correct
2 Correct 54 ms 47352 KB Output is correct
3 Correct 47 ms 47396 KB Output is correct
4 Correct 55 ms 47352 KB Output is correct
5 Correct 53 ms 47324 KB Output is correct
6 Correct 55 ms 47500 KB Output is correct
7 Correct 54 ms 47352 KB Output is correct
8 Correct 46 ms 47344 KB Output is correct
9 Correct 45 ms 47224 KB Output is correct
10 Correct 46 ms 47352 KB Output is correct
11 Correct 48 ms 47492 KB Output is correct
12 Correct 50 ms 47740 KB Output is correct
13 Correct 50 ms 47864 KB Output is correct
14 Correct 52 ms 47992 KB Output is correct
15 Correct 50 ms 47864 KB Output is correct
16 Correct 50 ms 47608 KB Output is correct
17 Correct 150 ms 47708 KB Output is correct
18 Correct 51 ms 47668 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1916 ms 120716 KB Output is correct
2 Correct 1967 ms 124960 KB Output is correct
3 Correct 1986 ms 124956 KB Output is correct
4 Correct 2050 ms 124856 KB Output is correct
5 Correct 1604 ms 113772 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 55092 KB Output is correct
2 Correct 164 ms 54436 KB Output is correct
3 Correct 147 ms 50552 KB Output is correct
4 Correct 154 ms 50668 KB Output is correct
5 Correct 156 ms 50756 KB Output is correct
6 Correct 129 ms 50260 KB Output is correct
7 Correct 135 ms 50272 KB Output is correct
8 Correct 166 ms 52852 KB Output is correct
9 Correct 93 ms 49520 KB Output is correct
10 Correct 144 ms 52460 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 47352 KB Output is correct
2 Correct 54 ms 47352 KB Output is correct
3 Correct 47 ms 47396 KB Output is correct
4 Correct 55 ms 47352 KB Output is correct
5 Correct 53 ms 47324 KB Output is correct
6 Correct 55 ms 47500 KB Output is correct
7 Correct 54 ms 47352 KB Output is correct
8 Correct 46 ms 47344 KB Output is correct
9 Correct 45 ms 47224 KB Output is correct
10 Correct 46 ms 47352 KB Output is correct
11 Correct 48 ms 47492 KB Output is correct
12 Correct 50 ms 47740 KB Output is correct
13 Correct 50 ms 47864 KB Output is correct
14 Correct 52 ms 47992 KB Output is correct
15 Correct 50 ms 47864 KB Output is correct
16 Correct 50 ms 47608 KB Output is correct
17 Correct 150 ms 47708 KB Output is correct
18 Correct 51 ms 47668 KB Output is correct
19 Correct 366 ms 62220 KB Output is correct
20 Correct 393 ms 62404 KB Output is correct
21 Correct 347 ms 61340 KB Output is correct
22 Correct 325 ms 61216 KB Output is correct
23 Correct 369 ms 61176 KB Output is correct
24 Correct 289 ms 52692 KB Output is correct
25 Correct 288 ms 52856 KB Output is correct
26 Correct 283 ms 53240 KB Output is correct
27 Correct 319 ms 53212 KB Output is correct
28 Correct 292 ms 53536 KB Output is correct
29 Correct 312 ms 54008 KB Output is correct
30 Correct 299 ms 54136 KB Output is correct
31 Correct 298 ms 54080 KB Output is correct
32 Correct 301 ms 54008 KB Output is correct
33 Correct 339 ms 54136 KB Output is correct
34 Correct 271 ms 52600 KB Output is correct
35 Correct 253 ms 52728 KB Output is correct
36 Correct 259 ms 52752 KB Output is correct
37 Correct 250 ms 52600 KB Output is correct
38 Correct 263 ms 52472 KB Output is correct
39 Correct 307 ms 56560 KB Output is correct
40 Correct 228 ms 54332 KB Output is correct
41 Correct 271 ms 57412 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 47352 KB Output is correct
2 Correct 54 ms 47352 KB Output is correct
3 Correct 47 ms 47396 KB Output is correct
4 Correct 55 ms 47352 KB Output is correct
5 Correct 53 ms 47324 KB Output is correct
6 Correct 55 ms 47500 KB Output is correct
7 Correct 54 ms 47352 KB Output is correct
8 Correct 46 ms 47344 KB Output is correct
9 Correct 45 ms 47224 KB Output is correct
10 Correct 46 ms 47352 KB Output is correct
11 Correct 48 ms 47492 KB Output is correct
12 Correct 50 ms 47740 KB Output is correct
13 Correct 50 ms 47864 KB Output is correct
14 Correct 52 ms 47992 KB Output is correct
15 Correct 50 ms 47864 KB Output is correct
16 Correct 50 ms 47608 KB Output is correct
17 Correct 150 ms 47708 KB Output is correct
18 Correct 51 ms 47668 KB Output is correct
19 Correct 1916 ms 120716 KB Output is correct
20 Correct 1967 ms 124960 KB Output is correct
21 Correct 1986 ms 124956 KB Output is correct
22 Correct 2050 ms 124856 KB Output is correct
23 Correct 1604 ms 113772 KB Output is correct
24 Correct 177 ms 55092 KB Output is correct
25 Correct 164 ms 54436 KB Output is correct
26 Correct 147 ms 50552 KB Output is correct
27 Correct 154 ms 50668 KB Output is correct
28 Correct 156 ms 50756 KB Output is correct
29 Correct 129 ms 50260 KB Output is correct
30 Correct 135 ms 50272 KB Output is correct
31 Correct 166 ms 52852 KB Output is correct
32 Correct 93 ms 49520 KB Output is correct
33 Correct 144 ms 52460 KB Output is correct
34 Correct 366 ms 62220 KB Output is correct
35 Correct 393 ms 62404 KB Output is correct
36 Correct 347 ms 61340 KB Output is correct
37 Correct 325 ms 61216 KB Output is correct
38 Correct 369 ms 61176 KB Output is correct
39 Correct 289 ms 52692 KB Output is correct
40 Correct 288 ms 52856 KB Output is correct
41 Correct 283 ms 53240 KB Output is correct
42 Correct 319 ms 53212 KB Output is correct
43 Correct 292 ms 53536 KB Output is correct
44 Correct 312 ms 54008 KB Output is correct
45 Correct 299 ms 54136 KB Output is correct
46 Correct 298 ms 54080 KB Output is correct
47 Correct 301 ms 54008 KB Output is correct
48 Correct 339 ms 54136 KB Output is correct
49 Correct 271 ms 52600 KB Output is correct
50 Correct 253 ms 52728 KB Output is correct
51 Correct 259 ms 52752 KB Output is correct
52 Correct 250 ms 52600 KB Output is correct
53 Correct 263 ms 52472 KB Output is correct
54 Correct 307 ms 56560 KB Output is correct
55 Correct 228 ms 54332 KB Output is correct
56 Correct 271 ms 57412 KB Output is correct
57 Correct 1916 ms 124064 KB Output is correct
58 Correct 1888 ms 124000 KB Output is correct
59 Correct 1886 ms 121316 KB Output is correct
60 Correct 1904 ms 121284 KB Output is correct
61 Correct 1896 ms 121372 KB Output is correct
62 Correct 1854 ms 121248 KB Output is correct
63 Correct 1278 ms 104708 KB Output is correct
64 Correct 1252 ms 104816 KB Output is correct
65 Correct 1571 ms 110336 KB Output is correct
66 Correct 1481 ms 110256 KB Output is correct
67 Correct 1494 ms 110376 KB Output is correct
68 Correct 1506 ms 113268 KB Output is correct
69 Correct 1607 ms 113376 KB Output is correct
70 Correct 1521 ms 112844 KB Output is correct
71 Correct 1514 ms 112884 KB Output is correct
72 Correct 1549 ms 112872 KB Output is correct
73 Correct 1154 ms 101816 KB Output is correct
74 Correct 1162 ms 102772 KB Output is correct
75 Correct 1166 ms 101940 KB Output is correct
76 Correct 1163 ms 101788 KB Output is correct
77 Correct 1172 ms 101776 KB Output is correct
78 Correct 1377 ms 104496 KB Output is correct
79 Correct 1032 ms 81096 KB Output is correct
80 Correct 1366 ms 110500 KB Output is correct