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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#252533 | #7627. Phony | fAKeZero | WA | 1ms | 5880kb | C++14 | 4.1kb | 2023-11-15 20:39:56 | 2023-11-15 20:39:56 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
inline long long read() {
int w = 0;
long long x = 0;
char c = getchar();
while (!isdigit(c)) w |= c == '-', c = getchar();
while (isdigit(c)) x = x * 10 + c - '0', c = getchar();
return w ? -x : x;
}
namespace star {
const int maxn = 2 * 5e5 + 10;
inline char gc() {
char c = getchar();
while (isspace(c)) c = getchar();
return c;
}
int n, m;
long long k, a[maxn];
#define ls son[ro][0]
#define rs son[ro][1]
int son[maxn][2], siz[maxn], tot, rnd[maxn], rt1, rt2;
long long val[maxn];
inline int newnode(long long a) {
val[++tot] = a, siz[tot] = 1, rnd[tot] = rand();
return tot;
}
inline void pushup(const int &ro) { siz[ro] = siz[ls] + siz[rs] + 1; }
int merge(int a, int b) {
if (!a or !b) return a | b;
if (rnd[a] < rnd[b]) {
son[a][1] = merge(son[a][1], b);
pushup(a);
return a;
} else {
son[b][0] = merge(a, son[b][0]);
pushup(b);
return b;
}
}
void split(int ro, long long k, int &a, int &b) {
if (!ro) return a = b = 0, void();
if (val[ro] <= k)
a = ro, split(rs, k, rs, b);
else
b = ro, split(ls, k, a, ls);
pushup(ro);
}
inline void insert(int &rt, long long a) {
int x, y;
split(rt, a, x, y);
rt = merge(merge(x, newnode(a)), y);
}
void splitsz(int ro, int k, int &a, int &b) {
if (!ro) return a = b = 0, void();
if (siz[ls] + 1 <= k)
a = ro, splitsz(rs, k - siz[ls] - 1, rs, b);
else
b = ro, splitsz(ls, k, a, ls);
pushup(ro);
}
inline void del(int &rt, int a) {
int x, y, z;
split(rt, a - 1, x, z);
splitsz(z, 1, y, z);
rt = merge(x, z);
}
long long get_max(int x) {
while (son[x][1])
x = son[x][1];
return val[x];
}
inline long long kth(int ro, int a) {
while (true) {
// std::cerr << val[ro] << " ? " << std::endl;
if (a <= siz[ls])
ro = ls;
else {
a -= siz[ls];
if (--a == 0) return val[ro];
ro = rs;
}
}
}
#undef ls
#undef rs
void restore_dfs(int x) {
if (!x)
return;
insert(rt1, val[x]);
restore_dfs(son[x][0]);
restore_dfs(son[x][1]);
}
inline void work() {
n = read(), m = read(), k = read();
for (int i = 1; i <= n; i++) a[i] = read();
sort(a + 1, a + 1 + n);
long long h = a[n] / k, i = n;
while (i and a[i] / k == h) {
insert(rt1, a[i] % k);
i--;
}
int CNT = 0;
while (m--) {
// cerr<<"Before:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl;
if (gc() == 'C') {
long long t = read();
if (t >= siz[rt1]) {
t -= siz[rt1];
// for (auto x : hold) del(rt2, x);
int x;
split(rt2, get_max(rt1), x, rt2);
rt1 = merge(rt1, rt2);
rt2 = 0;
restore_dfs(x);
// for (auto x : hold) insert(rt1, x);
h--;
}
while (i and (h - a[i] / k) * siz[rt1] < t /* 这个用除法是不是会判少了*/ ) {
assert(siz[rt2] == 0);
t -= (h - a[i] / k) * siz[rt1];
h = a[i] / k;
insert(rt1, a[i] % k);
i--;
}
h -= t / siz[rt1];
// t -= (t / siz[rt1]) * siz[rt1];
t %= siz[rt1];
if (t) {
int c;
splitsz(rt1, siz[rt1] - t, rt1, c);
rt2 = merge(c, rt2);
t = 0;
// cerr<<"rt2:"<<siz[rt1]<<' '<<siz[rt2]<<' '<<val[rt2]<<endl;
while (i and a[i] / k >= h - 1) {
// hold.push_back(a[i] % k);
insert(rt2, a[i] % k);
i--;
}
}
} else {
int x = read();
++CNT;
if (CNT == 18)
printf("??? CASE %d %d\n", x > siz[rt1] + siz[rt2], x > siz[rt1]);
if (x > siz[rt1] + siz[rt2]) {
printf("%lld\n", a[n - x + 1]);
} else if (x > siz[rt1]) {
// cerr<<"AAAAAAA:"<<h<<' '<<siz[rt1]<<'
// '<<siz[rt2]-(x-siz[rt1])+1<<endl;
printf("%lld\n", k * (h - 1) + kth(rt2, siz[rt2] - (x - siz[rt1]) + 1));
} else
printf("%lld\n", k * h + kth(rt1, siz[rt1] - x + 1));
}
// cerr<<"After:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl<<endl;
}
}
} // namespace star
signed main() {
star::work();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 5820kb
input:
3 5 5 7 3 9 A 3 C 1 A 2 C 2 A 3
output:
3 4 -1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 5820kb
input:
5 8 8 294 928 293 392 719 A 4 C 200 A 5 C 10 A 2 C 120 A 1 A 3
output:
294 200 191 0 -2
result:
ok 5 lines
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 5880kb
input:
100 100 233 5101 8001 6561 6329 6305 7745 4321 811 49 1121 3953 8054 8415 9876 6701 4097 6817 6081 495 5521 2389 2042 4721 8119 7441 7840 8001 5756 5561 129 1 5981 4801 7201 8465 7251 6945 5201 5626 3361 5741 3650 7901 2513 8637 3841 5621 9377 101 3661 5105 4241 5137 7501 5561 3581 4901 561 8721 811...
output:
6881 9161 4721 8200 2945 7647 7531 5291 5001 2042 4721 4721 6881 4097 7187 7218 7035 ??? CASE 0 0 7035 811 6752 2561 6701 6118 6148 3581 5291 1485 5984 5404 2042 5313 5192 5249 4721 4921 4029 4097 4604 4836 4441 4720 2042 4438 4464 4615 4435 3581 4208 115 2042 4343 2042 4326 1485 4359 -17670
result:
wrong answer 18th lines differ - expected: '7018', found: '??? CASE 0 0'