oj.uz

답안 #52613

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
52613 2018-06-26T09:00:51 Z someone_aa 비교 (balkan11_cmp) C++17
46 / 100
 6787 ms 104984 KB 
#include "cmp.h"
#include <vector>
using namespace std;
void remember(int n) {
    int node = 1;
    for(int i=11;i>=0;i--) {
        if(node != 1)
            bit_set(node);
        //bit[node] = true;
        if(n&(1<<i)) node = 2 * node + 1;
        else node = 2 * node;
    }
    //bit[node] = true;
    bit_set(node);
}

int compare(int b) {
    //edit this
    int node = 1;
    vector<int>nodes;
    for(int i=11;i>=0;i--) {
        nodes.push_back(node);
        if(b&(1<<i)) node = 2 * node + 1;
        else node = 2 * node;
    }
    nodes.push_back(node);

    int li = 0, ri = nodes.size()-1;
    int f = -1;
    while(li <= ri) {
        int mid = (li+ri)/2;
        
        bool check = false;
        if(mid == 0) check = true;
        else check = bit_get(nodes[mid]);
        
        if(check) {
            li = mid + 1;
            f = mid;
        }
        else ri = mid - 1;
    }

    if(f == nodes.size() -1) return 0;
    else {
        if(nodes[f] * 2 == nodes[f+1]) return -1;
        else return 1;
    }
}

Compilation message

cmp.cpp: In function 'int compare(int)':
cmp.cpp:44:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(f == nodes.size() -1) return 0;
        ~~^~~~~~~~~~~~~~~~~~

Subtask #1
46.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 6787 ms 104984 KB Output is partially correct - maxAccess = 16, score = 46