Submission #440543

#	Time	Username	Problem	Language	Result	Execution time	Memory
440543		zarif	Pod starim krovovima (COCI20_psk)	C++17	50 / 50	4 ms	332 KiB

Main

#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }

template <typename T, typename V>
void __print(const pair<T, V> &x)
{
    cerr << '{';
    __print(x.first);
    cerr << ',';
    __print(x.second);
    cerr << '}';
}
template <typename T>
void __print(const T &x)
{
    int f = 0;
    cerr << '{';
    for (auto &i : x)
        cerr << (f++ ? "," : ""), __print(i);
    cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v)
{
    __print(t);
    if (sizeof...(v))
        cerr << ", ";
    _print(v...);
}
#ifndef ONLINE_JUDGE
#define debug(x...)               \
    cerr << "[" << #x << "] = ["; \
    _print(x)
#else
#define debug(x...)
#endif
void setIO(string s)
{
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
struct glass{
	int cur,vol,i;
};

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	int n;
	cin >> n ;
	vector<glass>vec(n);
	for(int i=0;i<n;i++){
		cin >> vec[i].cur >> vec[i].vol;
		vec[i].i=i;
	}
	sort(vec.begin(),vec.end(),[](glass &a,glass &b){
			return a.vol < b.vol;
	});
	int cnt=0;
	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			int amount=min(vec[i].cur,vec[j].vol-vec[j].cur);
			vec[j].cur+=amount;
			vec[i].cur-=amount;
		}
		if(!vec[i].cur){
			cnt++;
		}
	}
	sort(vec.begin(),vec.end(),[](glass &a,glass &b){
			return a.i < b.i;
	});
	cout << cnt <<endl;
	for(int i=0;i<n;i++){
		cout << vec[i].cur <<endl;
	}
}

Compilation message (stderr)

psk.cpp: In function 'void setIO(std::string)':
psk.cpp:53:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
psk.cpp:54:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50