| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 27551 |
2017-07-13T08:39:51 Z |
김현수(#1153) |
OGLEDALA (COI15_ogledala) |
C++14 |
|
4000 ms |
107884 KB |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 100005;
ll l, a[N], qry[N];
int n, m, cur[N];
vector<ll> v[N], dt[N];
priority_queue<pair<ll, int> > pq;
int geti (vector<ll> &V, int I, ll P) {
for(int i=max(0,I-3);i<I;i++) if(V[i] == P) return i;
return -1;
}
void add (vector<ll> &V, ll A) {
if(A <= 0 || geti(V, V.size(), A) != -1) return;
V.push_back(A);
}
void kth (int I, int C, int O, ll S, ll E, ll K) {
if(C == O) {printf("%lld\n",(S+E)/2); return;}
ll L = E-S+1, I1 = geti(v[I], C, (L-1)/2), I2 = (L/2 == (L-1)/2 ? I1 : I1+1);
if(I1>=O && dt[I][I1] >= K) kth(I, I1, O, S, (S+E)/2-1, K);
else kth(I, I2, O, (S+E)/2+1, E, K - (I1>=O ? dt[I][I1] : 0));
}
void calc (vector<ll> &D, vector<ll> &V, int O) {
for(int i=0;i<O;i++) D[i] = 0;
D[O] = 1;
for(int i=O+1;i<V.size();i++) {
ll I1 = geti(V, i, (V[i]-1)/2), I2 = (V[i]/2 == (V[i]-1)/2 ? I1 : I1+1);
D[i] = (I1 != -1 ? D[I1] : 0) + (I2 != -1 ? D[I2] : 0);
}
}
int main() {
scanf("%lld%d%d",&l,&n,&m);
for(int i=1;i<=n;i++) scanf("%lld",&a[i]);
a[n+1] = l+1;
for(int i=1;i<=n+1;i++) {
add(v[i], a[i]-a[i-1]-1);
for(ll j=0;j<v[i].size();j++) {
add(v[i], v[i][j]/2);
add(v[i], (v[i][j]-1)/2);
}
reverse(v[i].begin(), v[i].end());
}
for(int i=1;i<=n+1;i++) {
cur[i] = v[i].size();
dt[i].resize(v[i].size());
if(--cur[i] >= 0) {
calc(dt[i], v[i], cur[i]);
pq.push({v[i][cur[i]], -i});
}
}
int cq = 1; ll dn = n;
for(int i=1;i<=m;i++) {
scanf("%lld",&qry[i]);
if(qry[i] <= n) {
printf("%lld\n",a[qry[i]]); cq++;
}
}
while(!pq.empty()) {
int C = -pq.top().second; ll V = dt[C][v[C].size()-1]; pq.pop();
for(;cq <= m && qry[cq] <= dn + V; cq++) {
kth(C, v[C].size()-1, cur[C], a[C-1]+1, a[C]-1, qry[cq]-dn);
}
if(cq > m) break; dn += V;
if(--cur[C] >= 0) {
calc(dt[C], v[C], cur[C]);
pq.push({v[C][cur[C]], -C});
}
}
}
Compilation message
ogledala.cpp: In function 'void calc(std::vector<long long int>&, std::vector<long long int>&, int)':
ogledala.cpp:33:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=O+1;i<V.size();i++) {
^
ogledala.cpp: In function 'int main()':
ogledala.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll j=0;j<v[i].size();j++) {
^
ogledala.cpp:40:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%d%d",&l,&n,&m);
^
ogledala.cpp:41:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=n;i++) scanf("%lld",&a[i]);
^
ogledala.cpp:61:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld",&qry[i]);
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
8664 KB |
Output is correct |
| 2 |
Correct |
0 ms |
8664 KB |
Output is correct |
| 3 |
Correct |
29 ms |
9992 KB |
Output is correct |
| 4 |
Correct |
29 ms |
10036 KB |
Output is correct |
| 5 |
Correct |
103 ms |
16364 KB |
Output is correct |
| 6 |
Correct |
99 ms |
16784 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
8796 KB |
Output is correct |
| 2 |
Correct |
3 ms |
8796 KB |
Output is correct |
| 3 |
Correct |
319 ms |
101608 KB |
Output is correct |
| 4 |
Correct |
323 ms |
102748 KB |
Output is correct |
| 5 |
Correct |
329 ms |
106820 KB |
Output is correct |
| 6 |
Correct |
373 ms |
107884 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2203 ms |
65412 KB |
Output is correct |
| 2 |
Correct |
2466 ms |
65100 KB |
Output is correct |
| 3 |
Correct |
3649 ms |
95856 KB |
Output is correct |
| 4 |
Correct |
3646 ms |
97476 KB |
Output is correct |
| 5 |
Execution timed out |
4000 ms |
106816 KB |
Execution timed out |
| 6 |
Halted |
0 ms |
0 KB |
- |
