제출 #718813

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
718813		Abrar_Al_Samit	Jail (JOI22_jail)	C++17	0 / 100	1 ms	340 KiB

jail

#include <bits/stdc++.h>
using namespace std;
 
 
long long rand(long long a, long long b) {
    return a + rand() % (b - a + 1);
}
int main(int argc, char *argv[]) {
    srand(atoi(argv[1]));
 	
 	int tc = rand(1, 2);
 	cout<<tc<<'\n';

 	while(tc--) {
 		int n = rand(2, 10);
 		cout<<n<<'\n';

 		for(int i=2; i<=n; ++i) {
 			cout<<rand(1, i-1) <<' '<<i<<'\n';
 		}

 		int m = rand(2, n);
 		cout<<m<<'\n';


 		set<int>s, t;
 		while(s.size()<m) {
 			s.insert(rand(1, n));
 		}
 		while(t.size()<m) {
 			t.insert(rand(1, n));
 		}

 		while(!s.empty()) {
 			cout<<*s.begin()<<' '<<*t.begin()<<'\n';
 			s.erase(s.begin());
 			t.erase(t.begin());
 		}
 	}   
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

jail.cpp: In function 'int main(int, char**)':
jail.cpp:27:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |    while(s.size()<m) {
      |          ~~~~~~~~^~
jail.cpp:30:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |    while(t.size()<m) {
      |          ~~~~~~~~^~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 16
• Subtask 4: 0 / 28
• Subtask 5: 0 / 12
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23