Submission #120715

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
120715	2019-06-25 10:10:26	onjo0127	Minerals (JOI19_minerals)	C++14	70 / 100	45 ms	2944 KiB

minerals

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#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
bool chk[100009];
int query(int x) {
    chk[x] = !chk[x];
    //printf("query x: %d\n", x);
    return Query(x);
}
void answer(int a, int b) {
    //printf("answer: (%d, %d)\n", a, b);
    Answer(a, b);
}
pair<vi, vi> split(int N) {
    vector<int> A, B;
    int pr = 0, i = 0;
    for(i=1; i<=2*N; i++) {
        int Q = query(i);
        if(pr != Q) A.push_back(i);
        else B.push_back(i);
        pr = Q;
    }
    return {A, B};
}
 
 
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Compilation message (stderr)

minerals.cpp: In function 'void go(std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:61:9: warning: 'pr' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(pr != Q) RB.push_back(B[i]);
         ^~

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 30 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10