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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#140517 | #6632. Minimize Median | mahersefo | WA | 1ms | 5588kb | C++14 | 2.9kb | 2023-08-16 01:31:39 | 2023-08-16 01:31:41 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define SD ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define flot(n) cout << setprecision(n) << setiosflags(ios::fixed) << setiosflags(ios::showpoint)
#define all(a) (a).begin() , (a).end()
#define F first
#define S second
#define pii pair<int,int>
#define pb push_back
#define piii pair<pii,int>
#define endl '\n'
//#define int ll
using namespace std;
void readFromFile(string input = "input.txt",string output="output.txt") {
#ifndef ONLINE_JUDGE
freopen(input.c_str(),"r",stdin);
freopen(output.c_str(),"w",stdout);
#endif
}
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll rnd(ll x, ll y) {
return uniform_int_distribution<ll>(x, y)(rng);
}
const int INF = 0x3f3f3f3f;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const long double EPS = 1e-6;
const long double pi = acos(-1.0);
const int mod=1e9+7;
const int N = 1e6+5;
const int sq = 500;
int n,m,k,a[N],c[N],dp[N];
bool can(int mid) {
ll cost=0;
for(int i = 0 ; i <= n/2 ; i++) {
if(a[i] <= mid) continue;
if(mid==0) {
cost += dp[a[i]+1];
}else {
int l = 1 , r = m , mid2 , ans;
while(l <= r) {
mid2 = (l+r)/2;
if(a[i]/mid2 <= mid) {
ans = mid2;
r = mid2-1;
}else l = mid2+1;
}
cost += dp[ans];
}
if(cost > k) return 0;
}
return 1;
}
void solve(int T) {
for(int i = 0 ; i < n ; i++) {
cin >> a[i];
}
if(T == 34) {
string s;
char z = '@';
s += to_string(n);s += z;
s += to_string(m);s += z;
s += to_string(k);s += z;s += z;
for(int i = 0 ; i < n ; i++){
s += to_string(a[i]);s += z;
}
for(int i = 1 ; i <= m ; i++){
s += to_string(c[i]);s += z;
}
cout << s << endl;
}
sort(a,a+n);
for(int i = 1 ; i <= m ; i++) {
cin >> c[i];
dp[i] = c[i];
}
c[m+1] = dp[m+1] = 1e9+1;m++;
for(int i = m-1 ; i >= 1 ; i--) {
dp[i] = min(dp[i],dp[i+1]);
}
for(int i = 1 ; i <= m ; i++) {
for(int j = i ; j <= m ; j += i) {
dp[j] = min(dp[j],c[i]+dp[j/i]);
}
}
for(int i = m-1 ; i >= 1 ; i--) {
dp[i] = min(dp[i],dp[i+1]);
}
for(int i = 1 ; i <= m ; i++) {
cout << dp[i] << ' ';
}cout << endl;
return ;
int l = 0 , r = m , mid , ans;
while(l <= r) {
mid = (l+r)/2;
if(can(mid)) {
ans = mid;
r = mid-1;
}else l = mid+1;
}
cout << ans << endl;
}
int main() {
// readFromFile();
SD;
int t = 1;
cin >> t;
for(int i = 0 ; i < t ; i++){
solve(i+1);
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 5588kb
input:
3 3 5 0 2 5 2 3 2 4 6 13 3 5 3 2 5 3 3 2 4 6 13 3 5 6 2 5 2 3 2 4 6 13
output:
1000000001 3 1000000001 0 0 1000000001
result:
wrong answer 1st numbers differ - expected: '2', found: '1000000001'