oj.uz

Submission #22267

# Submission time Handle Problem Language Result Execution time Memory
22267 2017-04-30T03:21:07 Z 크리콘 B번 문제는 그리디로 풀려요(#918, imsifile) Window Xor (KRIII5_WX) C++
7 / 7
 386 ms 3484 KB 
#include<stdio.h>
#include<memory.h>

typedef long long lld;
int N, K;
lld T, ba[101010], im[101010], chk[101010];

lld gcd(lld a, lld b){ return b?gcd(b,a%b):a; }

void trans(int ji){
	lld per = (1ll<<ji) % N, K2 = K;
	lld tmp = N / gcd(N, per); K2 %= 2*tmp;
	memset(chk, 0, sizeof(chk));
	int cnt=0;
	for(lld i=0; i<N; i++){
		if(chk[i])continue;
		lld xo=0;
		for(lld j=0; j<K2; j++)xo ^= ba[(i+j*per) % N];
		for(lld j=0; j<tmp; j++){
			im[(i+j*per) % N] = xo, chk[(i+j*per) % N] = 1;
			xo ^= ba[(i+j*per) % N];
			xo ^= ba[(i+(j+K2)*per) % N];
		}
	}
	memcpy(ba, im, sizeof(ba));
}

int main(){
	scanf("%d%d%lld", &N, &K, &T);
	for(int i=0; i<N; i++)scanf("%lld", &ba[i]);
	for(int i=0; i<63; i++){
		if((1ll<<i) & T) trans(i);
	}
	for(int i=0; i<N; i++)printf("%lld ", ba[i]);
	return 0;
}

Compilation message

WX.cpp: In function 'void trans(int)':
WX.cpp:14:6: warning: unused variable 'cnt' [-Wunused-variable]
  int cnt=0;
      ^
WX.cpp: In function 'int main()':
WX.cpp:29:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%lld", &N, &K, &T);
                               ^
WX.cpp:30:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N; i++)scanf("%lld", &ba[i]);
                                             ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3484 KB Output is correct
2 Correct 6 ms 3484 KB Output is correct
3 Correct 6 ms 3484 KB Output is correct
4 Correct 223 ms 3484 KB Output is correct
5 Correct 26 ms 3484 KB Output is correct
6 Correct 233 ms 3484 KB Output is correct
7 Correct 26 ms 3484 KB Output is correct
8 Correct 236 ms 3484 KB Output is correct
9 Correct 233 ms 3484 KB Output is correct
10 Correct 239 ms 3484 KB Output is correct
11 Correct 246 ms 3484 KB Output is correct
12 Correct 136 ms 3484 KB Output is correct
13 Correct 173 ms 3484 KB Output is correct
14 Correct 133 ms 3484 KB Output is correct
15 Correct 129 ms 3484 KB Output is correct
16 Correct 226 ms 3484 KB Output is correct
17 Correct 243 ms 3484 KB Output is correct
18 Correct 143 ms 3484 KB Output is correct
19 Correct 139 ms 3484 KB Output is correct
20 Correct 166 ms 3484 KB Output is correct
21 Correct 153 ms 3484 KB Output is correct
22 Correct 153 ms 3484 KB Output is correct
23 Correct 133 ms 3484 KB Output is correct
24 Correct 149 ms 3484 KB Output is correct
25 Correct 146 ms 3484 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 226 ms 3484 KB Output is correct
2 Correct 119 ms 3484 KB Output is correct
3 Correct 159 ms 3484 KB Output is correct
4 Correct 226 ms 3484 KB Output is correct
5 Correct 239 ms 3484 KB Output is correct
6 Correct 123 ms 3484 KB Output is correct
7 Correct 129 ms 3484 KB Output is correct
8 Correct 229 ms 3484 KB Output is correct
9 Correct 236 ms 3484 KB Output is correct
10 Correct 169 ms 3484 KB Output is correct
11 Correct 63 ms 3484 KB Output is correct
12 Correct 76 ms 3484 KB Output is correct
13 Correct 23 ms 3484 KB Output is correct
14 Correct 26 ms 3484 KB Output is correct
15 Correct 383 ms 3484 KB Output is correct
16 Correct 33 ms 3484 KB Output is correct
17 Correct 296 ms 3484 KB Output is correct
18 Correct 36 ms 3484 KB Output is correct
19 Correct 203 ms 3484 KB Output is correct
20 Correct 29 ms 3484 KB Output is correct
21 Correct 153 ms 3484 KB Output is correct
22 Correct 39 ms 3484 KB Output is correct
23 Correct 209 ms 3484 KB Output is correct
24 Correct 299 ms 3484 KB Output is correct
25 Correct 26 ms 3484 KB Output is correct
26 Correct 239 ms 3484 KB Output is correct
27 Correct 26 ms 3484 KB Output is correct
28 Correct 223 ms 3484 KB Output is correct
29 Correct 29 ms 3484 KB Output is correct
30 Correct 216 ms 3484 KB Output is correct
31 Correct 26 ms 3484 KB Output is correct
32 Correct 239 ms 3484 KB Output is correct
33 Correct 33 ms 3484 KB Output is correct
34 Correct 306 ms 3484 KB Output is correct
35 Correct 353 ms 3484 KB Output is correct
36 Correct 356 ms 3484 KB Output is correct
37 Correct 386 ms 3484 KB Output is correct
38 Correct 373 ms 3484 KB Output is correct
39 Correct 329 ms 3484 KB Output is correct
40 Correct 286 ms 3484 KB Output is correct
41 Correct 166 ms 3484 KB Output is correct
42 Correct 379 ms 3484 KB Output is correct
43 Correct 256 ms 3484 KB Output is correct
44 Correct 259 ms 3484 KB Output is correct
45 Correct 206 ms 3484 KB Output is correct
46 Correct 246 ms 3484 KB Output is correct
47 Correct 279 ms 3484 KB Output is correct
48 Correct 216 ms 3484 KB Output is correct
49 Correct 129 ms 3484 KB Output is correct
50 Correct 206 ms 3484 KB Output is correct
51 Correct 239 ms 3484 KB Output is correct
52 Correct 253 ms 3484 KB Output is correct
53 Correct 299 ms 3484 KB Output is correct
54 Correct 133 ms 3484 KB Output is correct
55 Correct 176 ms 3484 KB Output is correct
56 Correct 73 ms 3484 KB Output is correct
57 Correct 133 ms 3484 KB Output is correct
58 Correct 189 ms 3484 KB Output is correct
59 Correct 146 ms 3484 KB Output is correct
60 Correct 236 ms 3484 KB Output is correct
61 Correct 243 ms 3484 KB Output is correct
62 Correct 249 ms 3484 KB Output is correct
63 Correct 136 ms 3484 KB Output is correct
64 Correct 209 ms 3484 KB Output is correct
65 Correct 106 ms 3484 KB Output is correct
66 Correct 109 ms 3484 KB Output is correct
67 Correct 229 ms 3484 KB Output is correct
68 Correct 186 ms 3484 KB Output is correct
69 Correct 149 ms 3484 KB Output is correct
70 Correct 206 ms 3484 KB Output is correct
71 Correct 223 ms 3484 KB Output is correct
72 Correct 209 ms 3484 KB Output is correct
73 Correct 149 ms 3484 KB Output is correct
74 Correct 183 ms 3484 KB Output is correct
75 Correct 213 ms 3484 KB Output is correct
76 Correct 6 ms 3484 KB Output is correct
77 Correct 6 ms 3484 KB Output is correct
78 Correct 6 ms 3484 KB Output is correct
79 Correct 223 ms 3484 KB Output is correct
80 Correct 26 ms 3484 KB Output is correct
81 Correct 233 ms 3484 KB Output is correct
82 Correct 26 ms 3484 KB Output is correct
83 Correct 236 ms 3484 KB Output is correct
84 Correct 233 ms 3484 KB Output is correct
85 Correct 239 ms 3484 KB Output is correct
86 Correct 246 ms 3484 KB Output is correct
87 Correct 136 ms 3484 KB Output is correct
88 Correct 173 ms 3484 KB Output is correct
89 Correct 133 ms 3484 KB Output is correct
90 Correct 129 ms 3484 KB Output is correct
91 Correct 226 ms 3484 KB Output is correct
92 Correct 243 ms 3484 KB Output is correct
93 Correct 143 ms 3484 KB Output is correct
94 Correct 139 ms 3484 KB Output is correct
95 Correct 166 ms 3484 KB Output is correct
96 Correct 153 ms 3484 KB Output is correct
97 Correct 153 ms 3484 KB Output is correct
98 Correct 133 ms 3484 KB Output is correct
99 Correct 149 ms 3484 KB Output is correct
100 Correct 146 ms 3484 KB Output is correct