Submission #1341618

#	Time	Username	Problem	Language	Result	Execution time	Memory
1341618		doantaolaaidi	Kralj (COCI16_kralj)	C++20	56 / 140	579 ms	29816 KiB

kralj

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define AC "test"
#define foru(i, l, r) for (int i = (l); i <= (r); i++)
#define ford(i, l, r) for (int i = (l); i >= (r); i--)
#define fi first
#define se second

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vii;
typedef vector<ll> vll;

const ll inf = 1e9 + 7;
const ll linf = 1e18 + 7;
const int mod = 1e9 + 7;
const int maxn = 1e6 + 7;
const int base = 31;

void fastIO(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
}

ll mul(ll a, ll b){
    a%=mod;
    ll res = 0;
    while (b){
        if (b%2) res = (res + a)%mod;
        a = (a + a)%mod;
        b/=2;
    }
    return res;
}

ll Pow(ll a, ll b){
    ll ans = 1;
    while (b){
        if (b % 2) ans = mul(ans, a);
        a = mul(a, a);
        b/=2;
    }
    return ans;
}

set<int> s;
int n, a[maxn], val, v[maxn], p[maxn], res;

namespace sub1{
    void solve(){
        foru(i, 1, n){
            s.insert(v[i]);
        }
        res = 0;
        foru(i, 1, n){
            auto it = s.lower_bound(p[i]);
            if (it != s.end()){
                res++;
                s.erase(it);
            }
            else{
                s.erase(s.begin());
            }
        }
        cout << res;
    }
}

namespace subAC{
    void solve(){
        cout << n/2;
    }
}

void inp(){
    cin >> n;
    val = 1;
    foru(i, 1, n){
        cin >> a[i];
        val = max(val, a[i]);
    }
    foru(i, 1, n){
        cin >> p[i];
    }
    foru(i, 1, n){
        cin >> v[i];
    }

}

int main(){
    fastIO();
    if (fopen(AC".inp", "r")){
        freopen(AC".inp", "r", stdin);
        freopen(AC".out", "w", stdout);
    }
    inp();
    if (val == 1) sub1::solve();
    else subAC::solve();
}

Compilation message (stderr)

kralj.cpp: In function 'int main()':
kralj.cpp:96:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |         freopen(AC".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
kralj.cpp:97:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |         freopen(AC".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 56 / 140