oj.uz

Submission #31858

# Submission time Handle Problem Language Result Execution time Memory
31858 2017-09-11T07:49:44 Z ngkan146 Brunhilda’s Birthday (BOI13_brunhilda) C++
100 / 100
 473 ms 80532 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef pair<int,int> ii;
const int MAX = (int) 1e7;
int madiv[MAX+5];
int m,q;
int p[100005];
int dp[MAX+5];
void prep(){
   for(int i=1;i<=m;i++)
      for(int j=0;j<=MAX;j+=p[i])
         madiv[j] = p[i];
}
int main(){
   //freopen("BRUNHILDA.inp","r",stdin);
   //freopen("BRUNHILDA.out","w",stdout);
   scanf("%d %d",&m,&q);
   for(int i=1;i<=m;i++)
      scanf("%d",&p[i]);
   prep();
   for(int i=1;i<=MAX;i++) dp[i] = 10*MAX;
   int ctrl = 0;

   for(int i=1;i<=MAX;i++){
      while(ctrl < i && ctrl + madiv[ctrl]-1 < i) ++ctrl;
      if (ctrl == i) break;

      dp[i] = dp[ctrl] + 1;
   }

   for(int i=1;i<=q;i++){
      int n;
      scanf("%d",&n);
      if (dp[n] >= MAX) printf("oo\n");
      else printf("%d\n",dp[n]);
   }
}

Compilation message

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d",&m,&q);
                        ^
brunhilda.cpp:21:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&p[i]);
                        ^
brunhilda.cpp:35:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&n);
                     ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 80532 KB Output is correct
2 Correct 73 ms 80532 KB Output is correct
3 Correct 46 ms 80532 KB Output is correct
4 Correct 63 ms 80532 KB Output is correct
5 Correct 83 ms 80532 KB Output is correct
6 Correct 29 ms 80532 KB Output is correct
7 Correct 46 ms 80532 KB Output is correct
8 Correct 46 ms 80532 KB Output is correct
9 Correct 113 ms 80532 KB Output is correct
10 Correct 126 ms 80532 KB Output is correct
11 Correct 133 ms 80532 KB Output is correct
12 Correct 56 ms 80532 KB Output is correct
13 Correct 293 ms 80532 KB Output is correct
14 Correct 299 ms 80532 KB Output is correct
15 Correct 99 ms 80532 KB Output is correct
16 Correct 83 ms 80532 KB Output is correct
17 Correct 93 ms 80532 KB Output is correct
18 Correct 63 ms 80532 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 80532 KB Output is correct
2 Correct 96 ms 80532 KB Output is correct
3 Correct 416 ms 80532 KB Output is correct
4 Correct 109 ms 80532 KB Output is correct
5 Correct 243 ms 80532 KB Output is correct
6 Correct 96 ms 80532 KB Output is correct
7 Correct 86 ms 80532 KB Output is correct
8 Correct 113 ms 80532 KB Output is correct
9 Correct 383 ms 80532 KB Output is correct
10 Correct 433 ms 80532 KB Output is correct
11 Correct 386 ms 80532 KB Output is correct
12 Correct 199 ms 80532 KB Output is correct
13 Correct 43 ms 80532 KB Output is correct
14 Correct 136 ms 80532 KB Output is correct
15 Correct 296 ms 80532 KB Output is correct
16 Correct 109 ms 80532 KB Output is correct
17 Correct 306 ms 80532 KB Output is correct
18 Correct 356 ms 80532 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 309 ms 80532 KB Output is correct
2 Correct 399 ms 80532 KB Output is correct
3 Correct 459 ms 80532 KB Output is correct
4 Correct 229 ms 80532 KB Output is correct
5 Correct 156 ms 80532 KB Output is correct
6 Correct 349 ms 80532 KB Output is correct
7 Correct 319 ms 80532 KB Output is correct
8 Correct 343 ms 80532 KB Output is correct
9 Correct 279 ms 80532 KB Output is correct
10 Correct 236 ms 80532 KB Output is correct
11 Correct 179 ms 80532 KB Output is correct
12 Correct 299 ms 80532 KB Output is correct
13 Correct 389 ms 80532 KB Output is correct
14 Correct 216 ms 80532 KB Output is correct
15 Correct 299 ms 80532 KB Output is correct
16 Correct 389 ms 80532 KB Output is correct
17 Correct 316 ms 80532 KB Output is correct
18 Correct 419 ms 80532 KB Output is correct
19 Correct 86 ms 80532 KB Output is correct
20 Correct 423 ms 80532 KB Output is correct
21 Correct 239 ms 80532 KB Output is correct
22 Correct 473 ms 80532 KB Output is correct
23 Correct 176 ms 80532 KB Output is correct
24 Correct 129 ms 80532 KB Output is correct
25 Correct 273 ms 80532 KB Output is correct
26 Correct 233 ms 80532 KB Output is correct
27 Correct 466 ms 80532 KB Output is correct
28 Correct 106 ms 80532 KB Output is correct
29 Correct 426 ms 80532 KB Output is correct
30 Correct 369 ms 80532 KB Output is correct
31 Correct 153 ms 80532 KB Output is correct
32 Correct 176 ms 80532 KB Output is correct
33 Correct 86 ms 80532 KB Output is correct
34 Correct 303 ms 80532 KB Output is correct
35 Correct 116 ms 80532 KB Output is correct
36 Correct 396 ms 80532 KB Output is correct
37 Correct 149 ms 80532 KB Output is correct
38 Correct 313 ms 80532 KB Output is correct
39 Correct 133 ms 80532 KB Output is correct
40 Correct 263 ms 80532 KB Output is correct
41 Correct 223 ms 80532 KB Output is correct
42 Correct 393 ms 80532 KB Output is correct