Submission #25242

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
25242	2017-06-21 04:07:36	khsoo01	Bali Sculptures (APIO15_sculpture)	C++11	100 / 100	149 ms	2140 KiB

sculpture

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll inf = (1ll<<50)-1;
ll n, s, e, a[2005], dt1[2005];
bool dt2[305][305];
bool can (ll V) {
  if(s == 1) {
    for(ll i=1;i<=n;i++) {
      ll cur = 0;
      dt1[i] = inf;
      for(ll j=i-1;j>=0;j--) {
        cur += a[j+1];
        if((cur & V) == cur) {
          dt1[i] = min(dt1[i], dt1[j]+1);
        }
      }
    }
    return dt1[n] <= e;
  }
  else {
    dt2[0][0] = true;
    for(ll i=1;i<=n;i++) {
      for(ll k=1;k<=i;k++) {
        ll cur = 0;
        dt2[i][k] = false;
        for(ll j=i-1;j>=0;j--) {
          cur += a[j+1];
          if((cur & V) == cur) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:43:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&n,&s,&e);
                                ^
sculpture.cpp:44:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(ll i=1;i<=n;i++) scanf("%lld",&a[i]);
                                          ^

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 29 / 29