oj.uz

Submission #72687

# Submission time Handle Problem Language Result Execution time Memory
72687 2018-08-26T15:12:44 Z gs14004 Judge Against Wrong Code (FXCUP3_judge) C++17
100 / 100
 716 ms 148024 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef long double llf;
typedef pair<int, int> pi;
const int MAXN = 1050000;
 
int m, n1, n2, a[MAXN], b[MAXN];
char buf[22];
 
int getMask(){
	scanf("%s",buf);
	int ans = 0;
	for(int i=0; buf[i]; i++){
		if(buf[i] != '.') ans |= (1<<i);
	}
	return ans;
}
 
int dp[MAXN];
int func[MAXN], clos[MAXN], cnt[MAXN], ret[MAXN];
 
using base = int;
void fft(vector<base> &a, bool inv){
	int n = a.size(), j = 0;
	for(int i=1; i<n; i++){
		int bit = (n >> 1);
		while(j >= bit){
			j -= bit;
			bit >>= 1;
		}
		j += bit;
		if(i < j) swap(a[i], a[j]);
	}
	for(int i=2; i<=n; i<<=1){
	//	int step = n / i;
		for(int j=0; j<n; j+=i){
			for(int k=0; k<i/2; k++){
				base u = a[j+k], v = a[j+k+i/2];
				a[j+k] = u;
				if(!inv) a[j+k+i/2] = u+v;
				else a[j+k+i/2] = v -u;
			}
		}
	}
}
 
void convolute(){
	vector<int> ans;
	for(int i=0; i<(1<<m); i++){
		ans.push_back(clos[i]);
	}
	fft(ans, 0);
	for(int i=0; i<(1<<m); i++) ans[i] *= ans[i];
	fft(ans, 1);
	for(int i=0; i<(1<<m); i++) clos[i] = ans[i];
}
 
void make_or_closure(){
	for(int i=0; i<5; i++){
		convolute();
		for(int j=0; j<(1<<m); j++) clos[j] = min(clos[j], 1);
	}
}
 
int main(){
	scanf("%d",&m);
	scanf("%d",&n1);
	for(int i=0; i<n1; i++){
		a[i] = getMask();
		clos[a[i]] = 1;
	}
	clos[0] = 1;
	make_or_closure();
	scanf("%d",&n2);
	for(int i=0; i<n2; i++){
		cnt[getMask()]++;
	}
	for(int i=0; i<m; i++){
		for(int j=0; j<(1<<m); j++){
			if((j >> i) & 1){
				cnt[j] += cnt[j ^ (1<<i)];
			}
		}
	}
	for(int j=0; j<(1<<m); j++){
		int func = n2 - cnt[((1<<m) - 1) ^ j];
		if(clos[j]) ret[func] = 1;
	}
	for(int i=1; i<=n2; i++) putchar(ret[i] ? 'o' : 'x');
	puts("");
}

Compilation message

judge.cpp: In function 'int getMask()':
judge.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",buf);
  ~~~~~^~~~~~~~~~
judge.cpp: In function 'int main()':
judge.cpp:67:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&m);
  ~~~~~^~~~~~~~~
judge.cpp:68:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n1);
  ~~~~~^~~~~~~~~~
judge.cpp:75:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n2);
  ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 3 ms 492 KB Output is correct
4 Correct 12 ms 988 KB Output is correct
5 Correct 11 ms 988 KB Output is correct
6 Correct 11 ms 1104 KB Output is correct
7 Correct 12 ms 1104 KB Output is correct
8 Correct 12 ms 1104 KB Output is correct
9 Correct 12 ms 1120 KB Output is correct

Subtask #2
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 3 ms 492 KB Output is correct
4 Correct 12 ms 988 KB Output is correct
5 Correct 11 ms 988 KB Output is correct
6 Correct 11 ms 1104 KB Output is correct
7 Correct 12 ms 1104 KB Output is correct
8 Correct 12 ms 1104 KB Output is correct
9 Correct 12 ms 1120 KB Output is correct
10 Correct 56 ms 4176 KB Output is correct
11 Correct 68 ms 9652 KB Output is correct
12 Correct 15 ms 9652 KB Output is correct
13 Correct 13 ms 9652 KB Output is correct
14 Correct 124 ms 19056 KB Output is correct
15 Correct 113 ms 25504 KB Output is correct
16 Correct 187 ms 43040 KB Output is correct
17 Correct 210 ms 58712 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 3 ms 492 KB Output is correct
4 Correct 12 ms 988 KB Output is correct
5 Correct 11 ms 988 KB Output is correct
6 Correct 11 ms 1104 KB Output is correct
7 Correct 12 ms 1104 KB Output is correct
8 Correct 12 ms 1104 KB Output is correct
9 Correct 12 ms 1120 KB Output is correct
10 Correct 56 ms 4176 KB Output is correct
11 Correct 68 ms 9652 KB Output is correct
12 Correct 15 ms 9652 KB Output is correct
13 Correct 13 ms 9652 KB Output is correct
14 Correct 124 ms 19056 KB Output is correct
15 Correct 113 ms 25504 KB Output is correct
16 Correct 187 ms 43040 KB Output is correct
17 Correct 210 ms 58712 KB Output is correct
18 Correct 193 ms 70432 KB Output is correct
19 Correct 263 ms 83240 KB Output is correct
20 Correct 600 ms 94572 KB Output is correct
21 Correct 437 ms 110184 KB Output is correct
22 Correct 571 ms 127468 KB Output is correct
23 Correct 716 ms 148024 KB Output is correct