oj.uz

Submission #764401

# Submission time Handle Problem Language Result Execution time Memory
764401 2023-06-23T11:23:26 Z Dan4Life Minerals (JOI19_minerals) C++17
0 / 100
 1 ms 336 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
#define pb push_back
#define sz(a) (int)a.size()
int cur, pre;
bool Q(int i){ cur = Query(i); bool ok=(cur!=pre); pre=cur; return ok;}
 
void dnc(vi l, vi r, bool d){
    int n = sz(l); int m = n*.4+.5;
    if(n<2) return Answer(l[0],r[0]); 
    if(!d) m=n-m; vi w[2]={{},{}};
    for(int i = (d?0:m); i < (d?m:n); i++) Q(l[i]);
    random_shuffle(begin(r),end(r));
    for(int i : r) w[sz(w[0])==m||sz(w[1])==n-m&&Q(i)].pb(i);
    dnc(vi(begin(l),begin(l)+m),w[0],0); 
    dnc(vi(begin(l)+m,end(l)),w[1],1);
}
 
void Solve(int N) {
    vi w[2];
    for(int i = 1; i <= 2*N; i++) w[Q(i)].pb(i);
    dnc(w[0],w[1],0);
}

Compilation message

minerals.cpp: In function 'void dnc(vi, vi, bool)':
minerals.cpp:13:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   13 |     if(!d) m=n-m; vi w[2]={{},{}};
      |     ^~
minerals.cpp:13:19: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   13 |     if(!d) m=n-m; vi w[2]={{},{}};
      |                   ^~
minerals.cpp:16:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   16 |     for(int i : r) w[sz(w[0])==m||sz(w[1])==n-m&&Q(i)].pb(i);
      |                                                ^

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -