oj.uz

Submission #31849

# Submission time Handle Problem Language Result Execution time Memory
31849 2017-09-11T07:12:59 Z ngkan146 Brunhilda’s Birthday (BOI13_brunhilda) C++
100 / 100
 606 ms 155564 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(){
   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;
   deque <ii> dq;
   dq.push_back(ii(0,madiv[0]-1));

   for(int i=1;i<=MAX;i++){
      while(dq.size() && dq.front().fi + dq.front().se < i) dq.pop_front();
      if (!dq.size()) break;
      assert(dq.size());
      dp[i] = dp[dq.front().fi] + 1;
      dq.push_back(ii(i,madiv[i]-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:17:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d",&m,&q);
                        ^
brunhilda.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&p[i]);
                        ^
brunhilda.cpp:34:21: 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 23 ms 80532 KB Output is correct
2 Correct 216 ms 80532 KB Output is correct
3 Correct 59 ms 80532 KB Output is correct
4 Correct 199 ms 80532 KB Output is correct
5 Correct 209 ms 80532 KB Output is correct
6 Correct 16 ms 80532 KB Output is correct
7 Correct 36 ms 80532 KB Output is correct
8 Correct 53 ms 80532 KB Output is correct
9 Correct 236 ms 80532 KB Output is correct
10 Correct 266 ms 80532 KB Output is correct
11 Correct 249 ms 80532 KB Output is correct
12 Correct 183 ms 80532 KB Output is correct
13 Correct 403 ms 80664 KB Output is correct
14 Correct 436 ms 80664 KB Output is correct
15 Correct 239 ms 80532 KB Output is correct
16 Correct 219 ms 80532 KB Output is correct
17 Correct 236 ms 80532 KB Output is correct
18 Correct 203 ms 80532 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 239 ms 88116 KB Output is correct
2 Correct 276 ms 155564 KB Output is correct
3 Correct 556 ms 101240 KB Output is correct
4 Correct 253 ms 81456 KB Output is correct
5 Correct 376 ms 91284 KB Output is correct
6 Correct 213 ms 81192 KB Output is correct
7 Correct 236 ms 88116 KB Output is correct
8 Correct 256 ms 80796 KB Output is correct
9 Correct 446 ms 91284 KB Output is correct
10 Correct 529 ms 101240 KB Output is correct
11 Correct 493 ms 88248 KB Output is correct
12 Correct 309 ms 80928 KB Output is correct
13 Correct 199 ms 84788 KB Output is correct
14 Correct 266 ms 81456 KB Output is correct
15 Correct 413 ms 87264 KB Output is correct
16 Correct 266 ms 155564 KB Output is correct
17 Correct 439 ms 81060 KB Output is correct
18 Correct 443 ms 121944 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 456 ms 88908 KB Output is correct
2 Correct 556 ms 86472 KB Output is correct
3 Correct 543 ms 88644 KB Output is correct
4 Correct 369 ms 81456 KB Output is correct
5 Correct 346 ms 117588 KB Output is correct
6 Correct 473 ms 81588 KB Output is correct
7 Correct 469 ms 104144 KB Output is correct
8 Correct 526 ms 88908 KB Output is correct
9 Correct 519 ms 88908 KB Output is correct
10 Correct 389 ms 81456 KB Output is correct
11 Correct 326 ms 81456 KB Output is correct
12 Correct 439 ms 81456 KB Output is correct
13 Correct 566 ms 87288 KB Output is correct
14 Correct 349 ms 80532 KB Output is correct
15 Correct 396 ms 81192 KB Output is correct
16 Correct 486 ms 81192 KB Output is correct
17 Correct 433 ms 87264 KB Output is correct
18 Correct 606 ms 86472 KB Output is correct
19 Correct 239 ms 86696 KB Output is correct
20 Correct 599 ms 88644 KB Output is correct
21 Correct 369 ms 80532 KB Output is correct
22 Correct 579 ms 93204 KB Output is correct
23 Correct 343 ms 88908 KB Output is correct
24 Correct 273 ms 81456 KB Output is correct
25 Correct 406 ms 80928 KB Output is correct
26 Correct 376 ms 81456 KB Output is correct
27 Correct 596 ms 94392 KB Output is correct
28 Correct 239 ms 82260 KB Output is correct
29 Correct 586 ms 93204 KB Output is correct
30 Correct 549 ms 88908 KB Output is correct
31 Correct 303 ms 83040 KB Output is correct
32 Correct 329 ms 81324 KB Output is correct
33 Correct 249 ms 82248 KB Output is correct
34 Correct 463 ms 104144 KB Output is correct
35 Correct 276 ms 82132 KB Output is correct
36 Correct 553 ms 93204 KB Output is correct
37 Correct 339 ms 117588 KB Output is correct
38 Correct 473 ms 81588 KB Output is correct
39 Correct 296 ms 81588 KB Output is correct
40 Correct 466 ms 82248 KB Output is correct
41 Correct 426 ms 142364 KB Output is correct
42 Correct 526 ms 81068 KB Output is correct