Submission #609571

#	Time	Username	Problem	Language	Result	Execution time	Memory
609571		Soul234	Kralj (COCI16_kralj)	C++14	140 / 140	517 ms	53072 KiB

kralj

#include<bits/stdc++.h>
using namespace std;

void DBG() { cerr << "]\n"; }
template<class H, class... T> void DBG(H h, T... t) {
    cerr << h; if(sizeof...(t)) cerr << ", ";
    DBG(t...);
}
#ifdef LOCAL
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 0
#endif // LOCAL

#define FOR(i,a,b) for(int i = (a) ; i<(b) ; i++)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for(int i = (b)-1 ; i>=(a) ; i--)
#define R0F(i,a) ROF(i,0,a)
#define each(e,a) for(auto &e : (a))
#define sz(v) (int)(v).size()
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pb push_back
#define tcT template<class T
#define nl "\n"

using ll = long long;
using vi = vector<int>;
using pi = pair<int,int>;
using str = string;
tcT> using V = vector<T>;
tcT> using pqg = priority_queue<T,vector<T>,greater<T>>;

void setIO(string NAME = "") {
    cin.tie(0)->sync_with_stdio(0);
    if(sz(NAME)) {
        freopen((NAME + ".inp").c_str(),"r",stdin);
        freopen((NAME + ".out").c_str(),"w",stdout);
    }
}

tcT> bool ckmin(T&a, const T&b) {
    return b < a ? a=b,1 : 0; }
tcT> bool ckmax(T&a, const T&b) {
    return b > a ? a=b,1 : 0; }

const int MOD = 1e9 + 7;

const int MX = 5e5+5;
int N, pos[MX], dStren[MX];
int prf[MX];
vi lst[MX];

void solve() {
    memset(prf, -1, sizeof prf);
    cin>>N;
    F0R(i,N) cin>>pos[i], pos[i]--;
    F0R(i,N) cin>>dStren[i];
    F0R(i,N) {
        int x; cin>>x;
        lst[pos[i]].pb(x);
    }
    F0R(i,N) prf[pos[i]]++;
    pi mn = {MOD, MOD};
    F0R(i,N) {
        if(i) prf[i] += prf[i-1];
        ckmin(mn, {prf[i], i});
    }
    int st = (mn.second + 1)%N;
    set<int> s;
    int ans = 0;
    F0R(_,N) {
        each(val, lst[st]) s.insert(val);
        auto it = s.upper_bound(dStren[st]);
        if(it == s.end()) s.erase(s.begin());
        else {
            ++ans;
            s.erase(it);
        }
        st = (st+1)%N;
    }
    cout << ans << nl;
}

int main() {
    setIO();

    int t=1;
    //cin>>t;
    while(t-->0) {
        solve();
    }

    return 0;
}

Compilation message (stderr)

kralj.cpp: In function 'void setIO(std::string)':
kralj.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen((NAME + ".inp").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kralj.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen((NAME + ".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 140 / 140