| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 605574 |
2022-07-25T18:56:30 Z |
slime |
Kitchen (BOI19_kitchen) |
C++14 |
|
10 ms |
7380 KB |
#include "bits/stdc++.h"
using namespace std;
#define int long long
const int MAXN = 3e5 + 10;
const int MOD = 1e9 + 7;
#define ll __int128
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
ll read() { int x; cin >> x; return (ll)x; }
long long bm(long long b, long long p) {
if(p==0) return 1 % MOD;
long long r = bm(b, p >> 1);
if(p&1) return (((r*r) % MOD) * b) % MOD;
return (r*r) % MOD;
}
long long inv(long long b) {
return bm(b, MOD-2);
}
long long f[MAXN];
long long nCr(int n, int r) {
long long ans = f[n]; ans *= inv(f[r]); ans %= MOD;
ans *= inv(f[n-r]); ans %= MOD; return ans;
}
long long fib[MAXN], lucas[MAXN];
void precomp() {
for(int i=0; i<MAXN; i++) f[i] = (i == 0 ? 1 % MOD : (f[i-1] * i) % MOD);
lucas[0] = 2;
lucas[1] = 1;
for(int i=2; i<MAXN; i++) lucas[i] = (lucas[i-2] + lucas[i-1]) % MOD;
fib[0] = 0;
fib[1] = 1;
for(int i=2; i<MAXN; i++) fib[i] = (fib[i-2] + fib[i-1]) % MOD;
}
int fastlog(int x) {
return (x == 0 ? -1 : 64 - __builtin_clzll(x) - 1);
}
void gay(int i) { cout << "Case #" << i << ": "; }
int csb(int l, int r, int k) { // count number of [l, r] such that i & 2^k > 0
if(l > r) return 0;
if(l == 0) {
int s = r / (1ll << (k+1)); // number of complete cycles
int t = r % (1ll << (k+1));
int ans = s * (1ll << k);
ans += (t >= (1ll << k) ? t - (1ll << k) + 1 : 0);
return ans;
}
else return csb(0, r, k) - csb(0, l - 1, k);
}
int lis(vector<int> a) {
int n = a.size();
int bucket[n+1];
for(int i=1; i<=n; i++) bucket[i] = 1e18;
int ans = 1;
for(int x: a) {
auto it = lower_bound(bucket + 1, bucket +n +1, x);
int d = distance(bucket, it);
ans = max(ans, d);
bucket[d] = min(bucket[d], x);
}
return ans;
}
int n, m, k, a[MAXN], b[MAXN];
bool cookable(vector<int> vt) { // vt: chefs' working hours
if(vt.size() < k) return 0;
int sm = 0;
for(int x: vt) sm += min(b[x], n);
if(sm < k * n) return 0;
return 1;
}
void solve(int tc) {
cin >> n >> m >> k;
for(int i=1; i<=n; i++) {
cin >> a[i];
if(a[i] < k) {
cout << "Impossible\n"; return;
}
}
int sa = 0;
for(int i=1; i<=n; i++) sa += a[i];
for(int i=0; i<m; i++) cin >> b[i];
int ans = 1e18;
for(int i=0; i<(1<<m); i++) {
vector<int> vt;
for(int j=0; j<m; j++) if(i & (1<<j)) vt.push_back(j);
int sm = 0;
for(int x: vt) sm += b[x];
if(cookable(vt)) {
ans = min(ans, sm - sa);
}
}
cout << (ans == 1e18 ? "Impossible" : to_string(ans)) << "\n";
}
int32_t main() {
precomp();
ios::sync_with_stdio(0); cin.tie(0);
int t = 1;// cin >> t;
for(int i=1; i<=t; i++) solve(i);
}
// I don't know geometry.
// Teaming is unfair.
/*
*/
Compilation message
kitchen.cpp: In function 'bool cookable(std::vector<long long int>)':
kitchen.cpp:67:16: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
67 | if(vt.size() < k) return 0;
| ~~~~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7380 KB |
Output is correct |
| 2 |
Incorrect |
8 ms |
7380 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7380 KB |
Output is correct |
| 2 |
Incorrect |
8 ms |
7380 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
7372 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
8 ms |
7372 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7380 KB |
Output is correct |
| 2 |
Incorrect |
8 ms |
7380 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
