제출 #561937

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
561937		Joshi503	팀들 (IOI15_teams)	C++14	34 / 100	4093 ms	31832 KiB

teams

#include <teams.h>
#include <bits/stdc++.h>
using namespace std;
 
using ll = long long;
using db = long double;
using str = string;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using pd = pair<db, db>;
#define f first
#define s second
 
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>;
tcT, size_t SZ > using AR = array<T, SZ>;
using vi = V<int>;
using vb = V<bool>;
using vl = V<ll>;
using vd = V<db>;
using vs = V<str>;
using vpi = V<pi>;
using vpl = V<pl>;
 
#define sz(x) int((x).size())
#define bg(x) begin(x)
#define all(x) bg(x), end(x)
#define rall(x) x.rbegin(), x.rend() 
#define sor(x) sort(all(x)) 
#define pb push_back
 
#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 rep(a) F0R(_,a)
#define each(a,x) for (auto& a: x)
 
const ll MOD = 1e9 + 7;
const ll MX = 1e9;
const ll INF = 1e18;
const db PI = acos((db)-1);
const int ddef[4]{ 1,0,-1,0 }, dataq[4]{ 0,1,0,-1 };
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
 
void setIO(string name = "") {
    ios_base::sync_with_stdio(0); cin.tie(0);
    if (sz(name)) {
        freopen((name + ".in").c_str(), "r", stdin);
        freopen((name + ".out").c_str(), "w", stdout);
    }
}
 
void _print(char i) { cerr << i; }
void _print(string i) { cerr << i; }
void _print(float i) { cerr << i; }
void _print(int i) { cerr << i; }
void _print(double i) { cerr << i; }
void _print() { cerr << "\n"; };
template<typename x, typename y> void _print(pair<x, y>& t) { cerr << "{";_print(t.first);cerr << ", ";_print(t.second);cerr << "},"; }
template<typename x> void _print(x& t) { cerr << "{"; for (int i = 0;i < (int)t.size();i++) { _print(t[i]); if (i < (int)t.size() - 1) cerr << ", "; } cerr << "}"; }
template<typename x, typename... y> void _print(x a, y... b) { _print(a);if (sizeof...(b)) cerr << ", ";_print(b...); }
#define dbg(x...) cerr<<"["<<#x<<"] = [";_print(x);cerr<<"]\n";
 
int n;
vector<pi> alfa;
 
bool cmp(const pi& x, const pi& y){
    return x.s < y.s;
}
 
void init(int N, int A[], int B[]) {
    n = N;
  	alfa.resize(n);
    F0R(i, n){
        alfa[i].f = A[i];
    }
    F0R(i, n){
        alfa[i].s = B[i];
    }
 
    sort(alfa.begin(), alfa.begin() + n, cmp);  
 
//     F0R(i, n){
//         cout << alfa[i].f << " ";
//     }
//     cout << "\n";
//     F0R(i, n){
//         cout << alfa[i].s << " ";
//     }
//     cout << "\n";
}
 
int can(int M, int K[]) {
    vi a(M);
    multiset<int> k;
    F0R(i, M){
        a[i] = K[i];
    }
    sor(a);
    F0R(i, M){
		F0R(j, a[i]){
    	    k.insert(a[i]);
		}
    }
 
    // for(auto it = k.begin(); it != k.end(); ++it){
    //     cout << *it << " ";
    // }
 
    // cout << "\n";
 
	F0R(i, n){
		auto it = k.lower_bound(alfa[i].f);
        if(it == k.end()) continue;
        // cout << alfa[i].f << " " << alfa[i].s << " " << *it << "\n";
 
		if(alfa[i].f <= (*it) && (*it) <= alfa[i].s){
            k.erase(it);
        }
	}
 
    
    return sz(k) == 0;
 
}

컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'void setIO(std::string)':
teams.cpp:51:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         freopen((name + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
teams.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 21 / 21
• Subtask 2: 13 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23