#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;
for(int 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};
}
void go(vector<int> &A, vector<int> &B, bool AC, bool BC) {
//puts("AB");
//for(auto& it: A) printf("%d ",it); puts("");
//for(auto& it: B) printf("%d ",it); puts("");
int N = A.size();
if(N == 1) {
answer(A[0], B[0]);
return;
}
if(N == 2) {
int X = query(A[0]);
int Y = query(B[0]);
if(!AC && !BC && X != Y) swap(A[0], A[1]);
if(!AC && BC && X == Y) swap(A[0], A[1]);
if(AC && !BC && X == Y) swap(A[0], A[1]);
if(AC && BC && X != Y) swap(A[0], A[1]);
answer(A[0], B[0]);
answer(A[1], B[1]);
return;
}
if(!AC) {
int m = N/2, pr;
vector<int> LA, RA, LB, RB;
for(int i=0; i<m; i++) {
pr = query(A[i]);
LA.push_back(A[i]);
}
for(int i=m; i<N; i++) RA.push_back(A[i]);
for(int i=0; i<N; i++) {
int Q = query(B[i]);
if(pr != Q) RB.push_back(B[i]);
else LB.push_back(B[i]);
pr = Q;
}
go(LA, LB, 1, !BC);
go(RA, RB, 0, !BC);
}
if(AC) {
int m = N/2, pr;
vector<int> LA, RA, LB, RB;
for(int i=0; i<m; i++) {
pr = query(A[i]);
LA.push_back(A[i]);
}
for(int i=m; i<N; i++) RA.push_back(A[i]);
for(int i=0; i<N; i++) {
int Q = query(B[i]);
if(pr != Q) LB.push_back(B[i]);
else RB.push_back(B[i]);
pr = Q;
}
go(LA, LB, 0, !BC);
go(RA, RB, 1, !BC);
}
}
void Solve(int N) {
vi A, B; tie(A, B) = split(N);
go(A, B, 1, 1);
}
Compilation message
minerals.cpp: In function 'void go(std::vector<int>&, std::vector<int>&, bool, bool)':
minerals.cpp:78:13: warning: 'pr' may be used uninitialized in this function [-Wmaybe-uninitialized]
if(pr != Q) LB.push_back(B[i]);
^~
minerals.cpp:61:13: warning: 'pr' may be used uninitialized in this function [-Wmaybe-uninitialized]
if(pr != Q) RB.push_back(B[i]);
^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Incorrect |
3 ms |
384 KB |
Wrong Answer [5] |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
256 KB |
Wrong Answer [5] |
2 |
Halted |
0 ms |
0 KB |
- |