# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
39950 | krauch | OGLEDALA (COI15_ogledala) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
/*
_ _ _______ _ _
| | / / | _____| | | / /
| | / / | | | | / /
| |/ / | |_____ | |/ /
| |\ \ | _____| | |\ \
| | \ \ | | | | \ \
| | \ \ | |_____ | | \ \
|_| \_\ |_______| |_| \_\
*/
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef double ld;
typedef pair <int, int> PII;
typedef pair <ll, ll> PLL;
typedef pair < ll, int > PLI;
#define F first
#define S second
#define pb push_back
#define eb emplace_back
#define right(x) x << 1 | 1
#define left(x) x << 1
#define forn(x, a, b) for (int x = a; x <= b; ++x)
#define for1(x, a, b) for (int x = a; x >= b; --x)
#define mkp make_pair
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define y1 kekekek
#define fname ""
const ll ool = 1e18 + 9;
const int oo = 1e9 + 9, base = 1e9 + 7;
const ld eps = 1e-7;
const int N = 1e5 + 6;
int n, m;
ll L, ans[N];
PLL a[N];
PLI b[N];
vector < pair < PLI, ll > > st;
//map < ll, ll > cnt[N];
vector < PLL > vec, vec2;
void calc(ll len1, ll len2, ll x) {
if (!len1 && !len2) return;
calc((len1 - 1) / 2, len2 / 2, x);
vec.eb(0, 0);
vec2.eb(len1, len2);
if (len1 < x) vec.back().F = 0;
else if (len1 == x) vec.back().F = 1;
else if (len1 & 1) vec.back().F = vec[sz(vec) - 2].F * 2;
else vec.back().F = vec[sz(vec) - 2].F + vec[sz(vec) - 2].S;
if (len2 < x) vec.back().S = 0;
else if (len2 == x) vec.back().S = 1;
else if (len2 & 1) vec.back().S = vec[sz(vec) - 2].S * 2;
else vec.back().S = vec[sz(vec) - 2].F + vec[sz(vec) - 2].S;
return;
}
int main() {
#ifdef krauch
freopen("input.txt", "r", stdin);
#else
//freopen(fname".in", "r", stdin);
//freopen(fname".out", "w", stdout);
#endif
/*calc(40, 40, 1);
cout << vec[sz(vec) - 3].F << " " << vec[sz(vec) - 3].S << "\n";
return 0;*/
scanf("%lld%d%d", &L, &n, &m);
ll last = 0;
forn(i, 1, n) {
ll x;
scanf("%lld", &x);
a[i].F = last + 1;
a[i].S = x - 1;
if (last < x - 1) {
st.eb(mkp(PLI(x - last - 1, n + 1 - i), 1));
}
last = x;
}
a[n + 1].F = last + 1;
a[n + 1].S = L;
if (last < L) {
st.eb(mkp(PLI(L - last, 0), 1));
}
sort(all(st));
reverse(all(st));
forn(i, 1, m) {
scanf("%lld", &b[i].F);
b[i].F -= n;
b[i].S = i;
}
int ptr = 1;
while (ptr <= m && b[ptr].F <= 0) {
ans[b[ptr].S] = a[b[ptr].F + n].S + 1;
++ptr;
}
ll sum = 0;
forn(j, 0, sz(st) - 1) {
if (j && st[j - 1] < st[j]) swap(s[j], s[j - 1]);
int i = n + 1 - st[j].F.S;
ll len = st[j].F.F;
if (!len) break;
ll val = st[j].S;
while (ptr <= m && sum + val >= b[ptr].F) {
ll pos = b[ptr].F - sum;
ll l = a[i].F, r = a[i].S, lvl = 2;
vec.clear();
vec2.clear();
calc(a[i].S - a[i].F + 1, a[i].S - a[i].F + 1, len);
while (r - l + 1 > len) {
ll mid = (l + r) >> 1ll;
ll res = (vec2[sz(vec) - lvl].F == mid - l ? vec[sz(vec) - lvl].F : vec[sz(vec) - lvl].S);
if (res >= pos) {
r = mid - 1;
}
else {
l = mid + 1;
pos -= res;
}
++lvl;
}
if (r - l + 1 != len) assert(0);
ans[b[ptr].S] = (l + r) >> 1ll;
++ptr;
}
if (ptr > m) break;
sum += val;
if (len / 2) {
PLI tmp = PLI(len / 2, n + 1 - i);
if (st.back().F == tmp) st.back().S += val;
else if (sz(st) > 1 && st[sz(st) - 2].F == tmp) st[sz(st) - 2].S += val;
else st.eb(mkp(tmp, val));
}
if ((len - 1) / 2) {
PLI tmp = PLI((len - 1) / 2, n + 1 - i);
if (st.back().F == tmp) st.back().S += val;
else if (sz(st) > 1 && st[sz(st) - 2].F == tmp) st[sz(st) - 2].S += val;
else st.eb(mkp(tmp, val));
}
}
forn(i, 1, m) {
printf("%lld\n", ans[i]);
}
return 0;
}