oj.uz

Submission #162754

# Submission time Handle Problem Language Result Execution time Memory
162754 2019-11-09T15:56:47 Z abacaba Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
0 / 100
 2102 ms 238260 KB 
#include <chrono>
#include <random>
#include <iostream>
#include <string>
#include <unordered_map>
#include <cstring>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include <math.h>
#include <cstdio>
#include <stdio.h>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <deque>
#include <cassert>
#include <stack>
using namespace std;

#define max3(a, b, c) max(a, max(b, c))
#define min3(a, b, c) min(a, min(b, c))
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>

const int mod = 1e9 + 7;
const int inf = 1e9;
const int N = 1e6 + 15;
int n, m, a[N], maxx[N << 2];
vector <int> t[N << 2];

void build(int v, int tl, int tr) {
    if(tl == tr) {
        t[v] = {a[tl]};
        return;
    }
    int mid = tl + tr >> 1, l = v << 1, r = v << 1 | 1;
    build(l, tl, mid);
    build(r, mid + 1, tr);
    maxx[v] = max(maxx[v << 1], maxx[v << 1 | 1]);
    int i = 0, j = 0;
    for(; i < t[l].size(); ++i) {
        if(j && t[l][i] > t[r][j - 1])
            maxx[v] = max(maxx[v], t[r][j-1] + t[l][i]);
        while(j < t[r].size() && t[r][j] < t[l][i]) {
            maxx[v] = max(maxx[v], t[r][j] + t[l][i]);
            t[v].pb(t[r][j++]);
        }
        t[v].pb(t[l][i]);
    }
    while(j < t[r].size())
        t[v].pb(t[r][j++]);
}

int get(int v, int tl, int tr, int l, int r) {
    if(tl > r || tr < l)
        return 0;
    if(tl >= l && tr <= r)
        return maxx[v];
    int mid = tl + tr >> 1;
    return max(get(v << 1, tl, mid, l, r), get(v << 1 | 1, mid + 1, tr, l, r));
}

main() {
    scanf("%d%d", &n, &m);
    for(int i = 1; i <= n; ++i)
        scanf("%d", &a[i]);
    build(1, 1, n);
    for(int i = 1; i <= m; ++i) {
        int l, r, k;
        scanf("%d%d%d", &l, &r, &k);
        if(get(1, 1, n, l, r) > k)
            puts("0");
        else
            puts("1");
    }
    return 0;
}

Compilation message

sortbooks.cpp: In function 'void build(int, int, int)':
sortbooks.cpp:50:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = tl + tr >> 1, l = v << 1, r = v << 1 | 1;
               ~~~^~~~
sortbooks.cpp:55:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(; i < t[l].size(); ++i) {
           ~~^~~~~~~~~~~~~
sortbooks.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(j < t[r].size() && t[r][j] < t[l][i]) {
               ~~^~~~~~~~~~~~~
sortbooks.cpp:64:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(j < t[r].size())
           ~~^~~~~~~~~~~~~
sortbooks.cpp: In function 'int get(int, int, int, int, int)':
sortbooks.cpp:73:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = tl + tr >> 1;
               ~~~^~~~
sortbooks.cpp: At global scope:
sortbooks.cpp:77:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:78:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &a[i]);
         ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &l, &r, &k);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 94404 KB Output is correct
2 Correct 87 ms 94232 KB Output is correct
3 Incorrect 87 ms 94456 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 94404 KB Output is correct
2 Correct 87 ms 94232 KB Output is correct
3 Incorrect 87 ms 94456 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 2102 ms 238260 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 240 ms 108672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 94404 KB Output is correct
2 Correct 87 ms 94232 KB Output is correct
3 Incorrect 87 ms 94456 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 94404 KB Output is correct
2 Correct 87 ms 94232 KB Output is correct
3 Incorrect 87 ms 94456 KB Output isn't correct
4 Halted 0 ms 0 KB -