| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 58162 |
2018-07-17T04:43:35 Z |
김세빈(#1689) |
Candies (JOI18_candies) |
C++11 |
|
1125 ms |
29788 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pll;
set <pll> S, P;
ll n, ans;
int main()
{
ll i, a, k, f;
pll p, s, s_p, s_n;
scanf("%lld", &n);
for(i=0;i<n;i++){
scanf("%lld", &a);
S.insert(pll(i, a));
P.insert(pll(-a, i));
}
for(i=0;i+i<n;i++){
p = *P.begin(); ans -= p.first;
s = pll(p.second, -p.first);
k = -s.second;
f = 0;
auto it = S.lower_bound(s);
if(it != S.begin()){
auto it_p = it; it_p --;
s_p = *it_p;
k += s_p.second;
S.erase(s_p);
P.erase(pll(-s_p.second, s_p.first));
}
else f = 1;
it = S.lower_bound(s);
{
auto it_n = it; it_n ++;
if(it_n != S.end()){
s_n = *it_n;
k += s_n.second;
S.erase(s_n);
P.erase(pll(-s_n.second, s_n.first));
}
else f = 1;
}
printf("%lld\n", ans);
P.erase(p);
S.erase(s);
if(!f){
S.insert(pll(s.first, k));
P.insert(pll(-k, s.first));
}
}
return 0;
}
Compilation message
candies.cpp: In function 'int main()':
candies.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &n);
~~~~~^~~~~~~~~~~~
candies.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &a);
~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
508 KB |
Output is correct |
| 2 |
Correct |
5 ms |
660 KB |
Output is correct |
| 3 |
Correct |
4 ms |
688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
688 KB |
Output is correct |
| 5 |
Correct |
5 ms |
688 KB |
Output is correct |
| 6 |
Correct |
6 ms |
772 KB |
Output is correct |
| 7 |
Correct |
5 ms |
772 KB |
Output is correct |
| 8 |
Correct |
5 ms |
784 KB |
Output is correct |
| 9 |
Correct |
5 ms |
804 KB |
Output is correct |
| 10 |
Correct |
4 ms |
804 KB |
Output is correct |
| 11 |
Correct |
6 ms |
804 KB |
Output is correct |
| 12 |
Correct |
7 ms |
804 KB |
Output is correct |
| 13 |
Correct |
4 ms |
804 KB |
Output is correct |
| 14 |
Correct |
4 ms |
868 KB |
Output is correct |
| 15 |
Correct |
6 ms |
1008 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1008 KB |
Output is correct |
| 19 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 20 |
Correct |
4 ms |
1008 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
508 KB |
Output is correct |
| 2 |
Correct |
5 ms |
660 KB |
Output is correct |
| 3 |
Correct |
4 ms |
688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
688 KB |
Output is correct |
| 5 |
Correct |
5 ms |
688 KB |
Output is correct |
| 6 |
Correct |
6 ms |
772 KB |
Output is correct |
| 7 |
Correct |
5 ms |
772 KB |
Output is correct |
| 8 |
Correct |
5 ms |
784 KB |
Output is correct |
| 9 |
Correct |
5 ms |
804 KB |
Output is correct |
| 10 |
Correct |
4 ms |
804 KB |
Output is correct |
| 11 |
Correct |
6 ms |
804 KB |
Output is correct |
| 12 |
Correct |
7 ms |
804 KB |
Output is correct |
| 13 |
Correct |
4 ms |
804 KB |
Output is correct |
| 14 |
Correct |
4 ms |
868 KB |
Output is correct |
| 15 |
Correct |
6 ms |
1008 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 17 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1008 KB |
Output is correct |
| 19 |
Correct |
5 ms |
1008 KB |
Output is correct |
| 20 |
Correct |
4 ms |
1008 KB |
Output is correct |
| 21 |
Correct |
889 ms |
27224 KB |
Output is correct |
| 22 |
Correct |
914 ms |
29244 KB |
Output is correct |
| 23 |
Correct |
1012 ms |
29552 KB |
Output is correct |
| 24 |
Correct |
433 ms |
29788 KB |
Output is correct |
| 25 |
Correct |
419 ms |
29788 KB |
Output is correct |
| 26 |
Correct |
469 ms |
29788 KB |
Output is correct |
| 27 |
Correct |
413 ms |
29788 KB |
Output is correct |
| 28 |
Correct |
507 ms |
29788 KB |
Output is correct |
| 29 |
Correct |
431 ms |
29788 KB |
Output is correct |
| 30 |
Correct |
426 ms |
29788 KB |
Output is correct |
| 31 |
Correct |
482 ms |
29788 KB |
Output is correct |
| 32 |
Correct |
441 ms |
29788 KB |
Output is correct |
| 33 |
Correct |
659 ms |
29788 KB |
Output is correct |
| 34 |
Correct |
691 ms |
29788 KB |
Output is correct |
| 35 |
Correct |
683 ms |
29788 KB |
Output is correct |
| 36 |
Correct |
1071 ms |
29788 KB |
Output is correct |
| 37 |
Correct |
983 ms |
29788 KB |
Output is correct |
| 38 |
Correct |
1125 ms |
29788 KB |
Output is correct |
| 39 |
Correct |
405 ms |
29788 KB |
Output is correct |
| 40 |
Correct |
451 ms |
29788 KB |
Output is correct |
| 41 |
Correct |
447 ms |
29788 KB |
Output is correct |
| 42 |
Correct |
399 ms |
29788 KB |
Output is correct |
| 43 |
Correct |
396 ms |
29788 KB |
Output is correct |
| 44 |
Correct |
423 ms |
29788 KB |
Output is correct |
| 45 |
Correct |
420 ms |
29788 KB |
Output is correct |
| 46 |
Correct |
499 ms |
29788 KB |
Output is correct |
| 47 |
Correct |
425 ms |
29788 KB |
Output is correct |
| 48 |
Correct |
819 ms |
29788 KB |
Output is correct |
| 49 |
Correct |
753 ms |
29788 KB |
Output is correct |
| 50 |
Correct |
727 ms |
29788 KB |
Output is correct |
