oj.uz

Submission #167427

# Submission time Handle Problem Language Result Execution time Memory
167427 2019-12-08T14:32:28 Z nikatamliani Cave (IOI13_cave) C++14
0 / 100
 538 ms 512 KB 
# include "cave.h"
# include <bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
	int x[N], y[N], fixed[N], ans[N];
	for(int i = 0; i < N; i ++)fixed[i] = -1;
    for(int i = 0; i < N; i ++)x[i] = 0;
    for(int i = 0; i < N; i ++){
    	int l = 0, r = N - 1;
    	int cur_x[N], res = 0;
    	bool open;
    	for(int j = 0; j < N; j ++)if(fixed[j] == -1)cur_x[j] = 1; else cur_x[j] = fixed[j];
    	if(tryCombination(cur_x) > i) open = 1;
    	else open = 0;
    	bool ok = false;
    	while(l <= r){
    		if(l == r && ok == true) break;
    		if(l == r)ok = true;
    		int m = (l + r) >> 1;
    		for(int j = l; j <= m; j ++) if(fixed[j] == -1) cur_x[j] = open; else cur_x[j] = fixed[j]; 
    		for(int j = 0; j < N; j ++) if(j < l || j > r){if(fixed[j] == -1) cur_x[j] = open ^ 1; else cur_x[j] = fixed[j];}
    		if(tryCombination(cur_x) > i){
    			r = m;
			}else{
				l = m + 1;
			}
		}
		res = l;
		ans[res] = i;
		fixed[res] = open;
	}
	answer(fixed, ans);
}

Compilation message

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:5:6: warning: variable 'x' set but not used [-Wunused-but-set-variable]
  int x[N], y[N], fixed[N], ans[N];
      ^
cave.cpp:5:12: warning: unused variable 'y' [-Wunused-variable]
  int x[N], y[N], fixed[N], ans[N];
            ^

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 267 ms 500 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 538 ms 512 KB too much calls on tryCombination()
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 512 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 512 KB Answer is wrong
2 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 267 ms 500 KB Answer is wrong
2 Halted 0 ms 0 KB -