| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 39974 |
2018-01-25T05:22:40 Z |
krauch |
OGLEDALA (COI15_ogledala) |
C++14 |
|
1105 ms |
304516 KB |
/*
_ _ _______ _ _
| | / / | _____| | | / /
| | / / | | | | / /
| |/ / | |_____ | |/ /
| |\ \ | _____| | |\ \
| | \ \ | | | | \ \
| | \ \ | |_____ | | \ \
|_| \_\ |_______| |_| \_\
*/
#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 < PLI > vec3;
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) {
vec3.eb(PLI(x - last - 1, n + 1 - i));
}
last = x;
}
a[n + 1].F = last + 1;
a[n + 1].S = L;
if (last < L) {
vec3.eb(PLI(L - last, 0));
}
for (auto it : vec3) {
ll len1 = it.F, len2 = it.F;
ll val1 = 1, val2 = 1;
bool ok = 0;
while (len1 || len2) {
if (len1 != len2) ok = 1;
if (len2) st.eb(mkp(PLI(len2, it.S), val2));
if (len1 && ok) st.eb(mkp(PLI(len1, it.S), val1));
ll nval1 = 0, nval2 = 0;
if (len1 == len2) {
if (len1 % 2 == 0) nval1 = nval2 = val1;
else nval1 = nval2 = val1 * 2;
}
else {
if (len1 % 2 == 0) nval1 += val1, nval2 += val1 + 2 * val2;
else nval1 += val1 * 2 + val2, nval2 += val2;
}
len1 = (len1 - 1) / 2;
len2 /= 2;
val1 = nval1;
val2 = nval2;
}
}
sort(all(st));
unique(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;
for (auto it : st) {
int i = n + 1 - it.F.S;
ll len = it.F.F;
if (!len) break;
ll val = it.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;
}
forn(i, 1, m) {
printf("%lld\n", ans[i]);
}
return 0;
}
Compilation message
ogledala.cpp: In function 'int main()':
ogledala.cpp:83:34: 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:87:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &x);
^
ogledala.cpp:130:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &b[i].F);
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
5932 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
6304 KB |
Output is correct |
| 2 |
Correct |
6 ms |
6304 KB |
Output is correct |
| 3 |
Correct |
938 ms |
304516 KB |
Output is correct |
| 4 |
Correct |
948 ms |
304516 KB |
Output is correct |
| 5 |
Correct |
1038 ms |
304516 KB |
Output is correct |
| 6 |
Correct |
1105 ms |
304516 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
668 ms |
157060 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
