| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1091086 | steveonalex | Quality Of Living (IOI10_quality) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "quality.h"
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
#define block_of_code if(true)
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
double rngesus_d(double l, double r){
double cur = rngesus(0, MASK(60) - 1);
cur /= MASK(60) - 1;
return l + cur * (r - l);
}
template <class T1, class T2>
bool maximize(T1 &a, T2 b){
if (a < b) {a = b; return true;}
return false;
}
template <class T1, class T2>
bool minimize(T1 &a, T2 b){
if (a > b) {a = b; return true;}
return false;
}
template <class T>
void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
for(auto item: container) out << item << separator;
out << finish;
}
template <class T>
void remove_dup(vector<T> &a){
sort(ALL(a));
a.resize(unique(ALL(a)) - a.begin());
}
const int N = 301;
int rectangle(int R, int C, int H, int W, int Q[N][N]) {
int l = 1, r = R * C;
ll half_way = (H * W + 1) / 2;
while(l < r){
int mid = (l + r) >> 1;
int cnt[N][N]; memset(cnt, 0, sizeof cnt);
// cout << "Mid: " << mid << "\n";
for(int i = 0; i < R; ++i) for(int j = 0; j < C; ++j) cnt[i+1][j+1] = (Q[i][j] <= mid);
for(int i = 1; i<=R; ++i) for(int j = 1; j <= C; ++j){
cnt[i][j] = cnt[i][j] + cnt[i-1][j] + cnt[i][j-1] - cnt[i-1][j-1];
}
// for(int i = 1; i<=R; ++i) {
// for(int j = 1; j<=C; ++j) cout << cnt[i][j] << " ";
// cout << "\n";
// }
bool check = false;
for(int i = H; i<=R; ++i) for(int j = W; j <= C; ++j){
int cur = cnt[i][j] - cnt[i - H][j] - cnt[i][j - W] + cnt[i - H][j - W];
if (cur >= half_way) check = true;
}
if (check) r = mid;
else l = mid + 1;
}
return l;
}
// int main(void){
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
// int R, C, H, W;
// int Q[N][N];
// cin >> R >> C >> H >> W;
// for(int i = 0; i<R; ++i) for(int j = 0; j < C; ++j) cin >> Q[i][j];
// cout << rectangle(R, C, H, W, Q) << "\n";
// return 0;
// }