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Submission #243404

# Submission time Handle Problem Language Result Execution time Memory
243404 2020-07-01T02:50:38 Z Lawliet Brunhilda’s Birthday (BOI13_brunhilda) C++17
100 / 100
 378 ms 80836 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAXM = 100010;
const int MAXN = 10000010;
const int INF = 1000000010;

int m, q;

int v[MAXM];
int dp[MAXN], mx[MAXN];

int getNext(int value, int p) { return value - value%p; }

int main()
{
	scanf("%d %d",&m,&q);

	for(int i = 1 ; i <= m ; i++)
		scanf("%d",&v[i]);

	for(int i = 1 ; i <= m ; i++)
		for(int cur = v[i] ; cur < MAXN ; cur += v[i])
			mx[cur] = max( mx[cur] , v[i] );

	int mn = INF;

	for(int i = 1 ; i <= m ; i++)
		mn = min( mn , getNext( 10000000 , v[i] ) );

	for(int i = MAXN - 1 ; i > 0 ; i--)
	{
		dp[i] = mn;
		if( mx[i] != 0 ) mn = min( mn , getNext( i - 1 , mx[i] ) );
	}

	for(int i = 1 ; i < MAXN ; i++)
	{
		if( dp[i] == i ) dp[i] = INF;
		else dp[i] = dp[ dp[i] ] + 1;
	}

	for(int i = 1 ; i <= q ; i++)
	{
		int p;
		scanf("%d",&p);

		if( dp[p] >= INF ) printf("oo\n");
		else printf("%d\n",dp[p]);
	}
}

Compilation message

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&m,&q);
  ~~~~~^~~~~~~~~~~~~~~
brunhilda.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&v[i]);
   ~~~~~^~~~~~~~~~~~
brunhilda.cpp:47:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&p);
   ~~~~~^~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 78712 KB Output is correct
2 Correct 153 ms 78584 KB Output is correct
3 Correct 132 ms 78584 KB Output is correct
4 Correct 90 ms 78692 KB Output is correct
5 Correct 122 ms 78552 KB Output is correct
6 Correct 97 ms 78584 KB Output is correct
7 Correct 141 ms 78840 KB Output is correct
8 Correct 178 ms 78584 KB Output is correct
9 Correct 169 ms 78584 KB Output is correct
10 Correct 186 ms 78560 KB Output is correct
11 Correct 169 ms 78584 KB Output is correct
12 Correct 78 ms 78584 KB Output is correct
13 Correct 265 ms 78784 KB Output is correct
14 Correct 266 ms 78716 KB Output is correct
15 Correct 180 ms 78604 KB Output is correct
16 Correct 151 ms 78712 KB Output is correct
17 Correct 126 ms 78712 KB Output is correct
18 Correct 83 ms 78712 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 105 ms 78780 KB Output is correct
2 Correct 126 ms 79712 KB Output is correct
3 Correct 305 ms 79352 KB Output is correct
4 Correct 143 ms 78584 KB Output is correct
5 Correct 223 ms 79096 KB Output is correct
6 Correct 134 ms 78584 KB Output is correct
7 Correct 103 ms 78712 KB Output is correct
8 Correct 147 ms 78584 KB Output is correct
9 Correct 254 ms 79356 KB Output is correct
10 Correct 304 ms 79432 KB Output is correct
11 Correct 290 ms 78972 KB Output is correct
12 Correct 194 ms 78784 KB Output is correct
13 Correct 94 ms 78584 KB Output is correct
14 Correct 152 ms 78652 KB Output is correct
15 Correct 287 ms 79096 KB Output is correct
16 Correct 126 ms 79656 KB Output is correct
17 Correct 265 ms 78584 KB Output is correct
18 Correct 258 ms 79864 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 274 ms 79608 KB Output is correct
2 Correct 318 ms 79388 KB Output is correct
3 Correct 323 ms 79736 KB Output is correct
4 Correct 226 ms 79612 KB Output is correct
5 Correct 169 ms 80632 KB Output is correct
6 Correct 281 ms 79736 KB Output is correct
7 Correct 247 ms 80248 KB Output is correct
8 Correct 277 ms 79608 KB Output is correct
9 Correct 272 ms 79608 KB Output is correct
10 Correct 207 ms 78840 KB Output is correct
11 Correct 189 ms 78840 KB Output is correct
12 Correct 246 ms 78968 KB Output is correct
13 Correct 308 ms 79968 KB Output is correct
14 Correct 220 ms 79992 KB Output is correct
15 Correct 261 ms 78968 KB Output is correct
16 Correct 318 ms 78968 KB Output is correct
17 Correct 246 ms 79224 KB Output is correct
18 Correct 306 ms 79352 KB Output is correct
19 Correct 120 ms 78840 KB Output is correct
20 Correct 321 ms 79864 KB Output is correct
21 Correct 246 ms 79992 KB Output is correct
22 Correct 334 ms 80632 KB Output is correct
23 Correct 170 ms 79864 KB Output is correct
24 Correct 140 ms 79636 KB Output is correct
25 Correct 255 ms 79824 KB Output is correct
26 Correct 228 ms 79608 KB Output is correct
27 Correct 346 ms 80376 KB Output is correct
28 Correct 156 ms 79736 KB Output is correct
29 Correct 378 ms 80712 KB Output is correct
30 Correct 298 ms 80376 KB Output is correct
31 Correct 202 ms 79480 KB Output is correct
32 Correct 191 ms 79608 KB Output is correct
33 Correct 120 ms 79608 KB Output is correct
34 Correct 244 ms 80248 KB Output is correct
35 Correct 158 ms 79840 KB Output is correct
36 Correct 351 ms 80504 KB Output is correct
37 Correct 182 ms 80836 KB Output is correct
38 Correct 285 ms 79608 KB Output is correct
39 Correct 161 ms 79736 KB Output is correct
40 Correct 278 ms 79736 KB Output is correct
41 Correct 228 ms 80248 KB Output is correct
42 Correct 340 ms 79832 KB Output is correct