Submission #398637

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
398637	2021-05-04 16:15:21	mars	Sequence (BOI14_sequence)	C++14	100 / 100	159 ms	1240 KiB

sequence

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/*
 * A solution for task Sequence.
 * Complexity - O(K log K).
 *
 * Author: Daumilas Ardickas
 * Idea: Vytautas Gruslys
 */
 
#include <cstdio>
#include <vector>
using namespace std;
long long minN(const vector<int>& A, bool try9 = true) {
    long long m = 102345678900000L;
    if (A.size() == 1) {
        m = 0;
        for (int a = 1; a <= 9; a++) 
            if (A[0] & (1 << a)) {
                m = m * 10 + a;
                if (m == a && A[0] & 1) m *= 10;
            }
        if (m == 0 && A[0] & 1) m = 10;
        return m;
    }
    for (int n = 0; n < 9 + try9; n++) {
        int y = n, a = 0;
  bool zero = false;
        vector<int> B;
        for (int i = 0; i < A.size(); i++) {
            a |= A[i] & (1023 - (1 << y));
 
 
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Compilation message (stderr)

sequence.cpp: In function 'long long int minN(const std::vector<int>&, bool)':
sequence.cpp:29:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         for (int i = 0; i < A.size(); i++) {
      |                         ~~^~~~~~~~~~
sequence.cpp:33:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |             if (!y || i == A.size() - 1) {
      |                       ~~^~~~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:48:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   48 |     scanf("%d", &K);
      |     ~~~~~^~~~~~~~~~
sequence.cpp:50:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |         scanf("%d", &d);
      |         ~~~~~^~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 33 / 33
• Subtask 3: 25 / 25
• Subtask 4: 33 / 33