Submission #250107

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
250107	2020-07-17T03:09:25 Z	dwsc	Minerals (JOI19_minerals)	C++14	0 / 100	1 ms	384 KB

minerals

#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
void solve(vector<int> v1,vector<int> v2){
    if (v1.size() == 1){
        Answer(v1[0],v2[0]);
        return;
    }
    random_shuffle(v1.begin(),v1.end());
    random_shuffle(v2.begin(),v2.end());
    int stop = v1.size()/2;
    vector<int> v1a,v1b,v2a,v2b;
    int num;
    for (int i = 0; i < v1.size(); i++){
        if (i < stop){
            v1a.push_back(v1[i]);
        }
        else{
            num = Query(v1[i]);
            v1b.push_back(v1[i]);
        }
    }
    for (int i = 0; i < v2.size(); i++){
        if (v2a.size() == stop){
            v2b.push_back(v2[i]);
            continue;
        }
        if (v2b.size() == v2.size()-stop){
            v2a.push_back(v2[i]);
            continue;
        }
        if (Query(v2[i]) == num){
            v2a.push_back(v2[i]);
        }
        else {
            num--;
            v2b.push_back(v2[i]);
        }
    }
    for (int i = 0; i < v1a.size(); i++) Query(v2a[i]);
    for (int i = 0; i < v1b.size(); i++){
        Query(v1b[i]);
        Query(v2b[i]);
    }
    solve(v1a,v2a);
    solve(v1b,v2b);
}
void Solve(int N) {
    vector<int> v1,v2;
    int num = 0;
    for (int i = 1; i <= 2*N; i++){
        int temp = Query(i);
        if (temp > num){
            num++;
            v1.push_back(i);
        }
        else{
            v2.push_back(i);
        }
    }
    solve(v1,v2);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>, std::vector<int>)':
minerals.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v1.size(); i++){
                     ~~^~~~~~~~~~~
minerals.cpp:23:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v2.size(); i++){
                     ~~^~~~~~~~~~~
minerals.cpp:24:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (v2a.size() == stop){
             ~~~~~~~~~~~^~~~~~~
minerals.cpp:40:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v1a.size(); i++) Query(v2a[i]);
                     ~~^~~~~~~~~~~~
minerals.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v1b.size(); i++){
                     ~~^~~~~~~~~~~~
minerals.cpp:36:16: warning: 'num' may be used uninitialized in this function [-Wmaybe-uninitialized]
             num--;
             ~~~^~

Subtask #1
0 / 6.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #2
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	384 KB	Wrong Answer [5]
2	Halted	0 ms	0 KB	-

Subtask #3
0 / 9.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #4
0 / 30.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #5
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #6
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #7
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #8
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-

Subtask #9
0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Incorrect	384 KB	Wrong Answer [5]
3	Halted	0 KB	-