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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#504178 | #9156. 百万富翁 | zdczdc | 100 ✓ | 2469ms | 113284kb | C++20 | 1.6kb | 2024-08-04 09:41:53 | 2024-08-04 09:41:56 |
Judging History
answer
#include "richest.h"
#include <bits/stdc++.h>
// #define int int64_t
#define ALL(x) begin(x), end(x)
#define All(x, l, r) &x[l], &x[r] + 1
using namespace std;
using ll = long long;
template <typename T> using vec = vector<T>;
const int kLim = 1e6 + 5;
array<int, kLim> cnt;
vec<int> brute(const vec<vec<int>>& id) {
int n = id.size();
vec<int> a, b, l (n), r (n), res (n);
int siz = 0;
for(auto& k : id) siz += k.size() * (k.size() - 1) / 2;
a.reserve(siz); b.reserve(siz);
for(int i = 0; i < n; i++) {
auto& v = id[i];
l[i] = a.size();
for(int j = 0; j < v.size(); j++)
for(int k = j + 1; k < v.size(); k++) {
a.push_back(v[j]);
b.push_back(v[k]);
}
r[i] = a.size();
}
auto c = ask(a, b);
for(int i = 0; i < n; i++) {
auto& v = id[i];
for(int j = l[i]; j < r[i]; j++) cnt[c[j]]++;
for(int k : v)
if(cnt[k] + 1 == v.size()) res[i] = k;
for(int j = l[i]; j < r[i]; j++) cnt[c[j]]--;
}
return res;
}
int solve(vec<int> id, vec<int> way) {
for(int i = 0; i < way.size(); i++) {
int n = id.size();
int c = way[i], q = n / c, r = n % c;
vec<vec<int>> qry;
vec<int> t (q + 1);
for(int p = 0; p < n; ) {
int siz = q + ((r--) > 0);
if(t.size() > siz) t.pop_back();
memcpy(&t[0], &id[p], siz * sizeof(int));
p += siz; qry.push_back(t);
}
id = brute(qry);
}
return id[0];
}
int richest(int n, int T, int S) {
vec<int> id (n);
iota(ALL(id), 0);
if(T == 1) return brute({id})[0];
return solve(id, {500000, 250000, 125000, 62500, 20833, 3472, 183, 1});
}
Details
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Pretests
Pretest #1:
score: 15
Accepted
time: 604ms
memory: 22696kb
input:
1000 1 499500 957319859
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Pretest #2:
score: 85
Accepted
time: 2453ms
memory: 113284kb
input:
1000000 20 2000000 29091473
output:
Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944 7610580723948932399 1.000000 1331569654267968081
result:
points 1.0 Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944
Final Tests
Test #1:
score: 15
Accepted
time: 596ms
memory: 22560kb
input:
1000 1 499500 957319857
output:
Correct 7127326332295218295 1.000000 1331569654267968081
result:
points 1.0 Correct
Test #2:
score: 85
Accepted
time: 2469ms
memory: 106044kb
input:
1000000 20 2000000 29091471
output:
Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944 7610580723948932399 1.000000 1331569654267968081
result:
points 1.0 Correct Case 2, 85 / 85, maxt = 8, maxs = 1099944