제출 #256239

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
256239		blacktulip	Pod starim krovovima (COCI20_psk)	C++17	50 / 50	1 ms	396 KiB

Main

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define endl "\n"
#define int long long
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo inf = 1000000000000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t;
int cev;
string s;
multiset<int> st;
vector<int> v;
PII p[li];

main(void){
	scanf("%lld",&n);
	FOR{
		int x;
		scanf("%lld %lld",&x,&p[i].fi);
		st.insert(x);
		p[i].se=i;
	}
	sort(p+1,p+n+1);
	reverse(p+1,p+n+1);
	FOR{
		auto it=st.end();
		if(it==st.begin() || p[i].fi==0){continue;}
		it--;
		int at=min(p[i].fi,*it);
		a[p[i].se]+=at;
		p[i].fi-=at;
		int bt=*it;
		st.erase(it);
		if(bt>at)st.insert(bt-at);
		i--;
	}
	FOR{
		if(a[i]==0)cev++;
	}
	printf("%lld\n",cev);
	FOR printf("%lld ",a[i]);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

psk.cpp:32:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(void){
          ^
psk.cpp: In function 'int main()':
psk.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
psk.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld",&x,&p[i].fi);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50