Submission #256326

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
256326	2020-08-02 14:29:33	Saboon	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	100 / 100	400 ms	80760 KiB

brunhilda

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#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
 
const int maxn = 1e7 + 10;
int r[maxn], dp[maxn];
bitset<maxn> mark;
 
int main(){
  ios_base::sync_with_stdio(false);
  int m, q;
  scanf("%d%d", &m, &q);
  int n = 10*1000*1000;
  while (m --){
    int x;
    scanf("%d", &x);
    if (mark[x])
      continue;
    mark[x] = 1;
    for (int i = 0; i <= n; i += x)
      r[i] = max(r[i], i+x);
  }
  for (int i = 1; i <= n; i++)
    r[i] = max(r[i], r[i-1]);
  int mxm = n+1;
  int last = 0;
  for (int i = 1; i <= n; i++){
    if (r[last] <= i)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &m, &q);
  ~~~~~^~~~~~~~~~~~~~~~
brunhilda.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~
brunhilda.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 60 / 60