제출 #1238556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1238556		SmuggingSpun	Nice sequence (IZhO18_sequence)	C++20	15 / 100	2 ms	840 KiB

sequence

#include<bits/stdc++.h>
#define taskname "B"
using namespace std;
int n, m;
namespace sub1{
	void solve(){
		cout << max(n, m) - 1 << "\n";
		for(int i = max(n, m); i > 1; i--){
			cout << (n < m ? "-1 " : "1 ");
		}
		cout << "\n";
	}
}
namespace sub2{
	void solve(){
		if(m == 2){
			cout << n << "\n" << "-999999 ";
			for(int i = 1; i < n; i++){
				cout << ((i & 1) ? "1000000 " : "-999999 ");
			}
			cout << "\n";
		}
		else{
			cout << m << "\n" << "999999 ";
			for(int i = 1; i < m; i++){
				cout << ((i & 1) ? "-1000000 " : "999999 ");
			}
			cout << "\n";
		}
	}
}
namespace sub34567{
	void solve(){
		
	}
}
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	int _t;
	cin >> _t;
	for(int _ = 0; _ < _t; _++){
		cin >> n >> m;
		if(max(n, m) % min(n, m) == 0){
			sub1::solve();
		}
		else if(min(n, m) == 2){
			sub2::solve();
		}
		else{
			sub34567::solve();
		}
	}
}

컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp: In function 'int main()':
sequence.cpp:40:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |                 freopen(taskname".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 9 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 14
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24