oj.uz

답안 #1088056

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1088056 2024-09-13T19:07:34 Z vjudge1 Izbori (COCI17_izbori) C++17
80 / 80
 35 ms 600 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <random>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("popcnt")
#define int long long
#define ll long long
#define endl '\n'
#define pii pair<int,int>
#define debug(...) printf(__VA_ARGS__)
//#define debug(...)
#define trace(x) cout<<#x<<"="<<x<<endl;
//#define trace(x)
#define vi vector<int>
#define popcnt(x) __builtin_popcount(x)
#define vpii vector<pii >
#define vvi vector<vector<int> >
#define umap unordered_map
#define uset unordered_set
#define mk make_pair
#define pb push_back
#define pob pop_back
#define _ <<' '<<
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()
#define read(x) for (auto& zu: (x)) cin >> zu;

static inline void print(const int &x) {
    if (x > 9)print(x / 10);
    putchar('0' + x % 10);
}

#define F first
#define S second
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define mustawa ios::sync_with_stdio(false);cin.tie(nullptr);

#define mishari main
const int inf=1e9+7;
void fa(bool ok){ cout << (ok ? "YES": "NO") << endl;}
int pw(ll a, ll b, ll mod= 1e9 + 7){
    ll result = 1;
    while(b) {
        if(b&1) {
            result = (result*a)%mod;
        }
        a = (a * a) % mod;
        b>>=1;
    }
    return result;
}
inline void usaco(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}int gcd(int a,int b){
    if (b == 0)return a;
    return gcd(b, a % b);
}

int lcm(int a, int b){
    return (a / gcd(a, b)) * b;
}
//long double log(int base,int x){
//    return log2(x)/log(base);
//}
int log(int base,int x){
    return ceil(log2(x)/log(base));
}
void vod(){}
int sum(int l,int r){
    int a=((l-1)*(l))/2;
    int b=(r*(r+1))/2;
    return b-a;
}struct DSU {
    vi par, size;

    void init(int n) {
        par.resize(n + 1);
        size.resize(n + 1, 1);
        iota(all(par), 0);
    }

    int find(int v) {
        if (v == par[v]) return v;
        return par[v] = find(par[v]);
    }

    bool merge(int a, int b) {
        a = find(a), b = find(b);
        if (a == b) return false;
        else {
            if (size[a] < size[b]) swap(a, b);
            par[b] = a;
            size[a] += size[b];
            return true;
        }
    }
};int n,m,k;
vvi v;
//i will return the 100 sar and more
set<int>killed;
int check(int mask) {
    vi cnt(20);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++){
            if (!killed.count(v[i][j])){
                cnt[v[i][j]]++;
                break;
            }
        }
    }
    return max_element(all(cnt)) - cnt.begin();
}
int ans=1e6;
void solve() {
    cin >> n >> m >> k;
    v.resize(n + 5, vi(m + 5));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> v[i][j];
            v[i][j]--;
        }
    }
    cout << check(0) + 1 << endl;
    for (int i = 0; i < (1 << (m)); i++) {
        if((1<<(k-1))&i)continue;
        for(int j=0;j<m;j++){
            if(i&(1<<j))killed.insert(j);
        }
        if(check(i) == k - 1)ans = min(ans, (int) popcnt(i));
        killed.clear();
    }
    cout << ans << endl;
}
signed mishari() {
    mustawa;
    //usaco("berries");
    int tescases = 1;
    //cin>>tescases;
    for (int i = 1; i <= tescases; i++) {
        //cout<<"Case "<<i<<":"<<endl;
        solve();
    }
}

Subtask #1
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 5 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 7 ms 344 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 5 ms 456 KB Output is correct
9 Correct 5 ms 348 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 14 ms 348 KB Output is correct
13 Correct 28 ms 344 KB Output is correct
14 Correct 14 ms 344 KB Output is correct
15 Correct 4 ms 348 KB Output is correct
16 Correct 35 ms 348 KB Output is correct
17 Correct 15 ms 348 KB Output is correct
18 Correct 33 ms 348 KB Output is correct
19 Correct 34 ms 348 KB Output is correct
20 Correct 35 ms 348 KB Output is correct