제출 #87062

#제출 시각아이디문제언어결과실행 시간메모리
87062rakuten돌 무게 재기 (IZhO11_stones)C++14
0 / 100
3 ms376 KiB
#include <bits/stdc++.h> using namespace std; set < int > v1 ; set < int > :: iterator it1 ; set < int > v2 ; set < int > :: iterator it2 ; int x1 , x2 ; main() { int a , b; int n; cin >> n; cin >> a >> b ; if(b == 2) { cout << "<" << endl; v1.insert (a) ; } else { cout << ">" << endl; v2.insert (a) ; } for(int i = 2; i <= n; i++) { x1 = 0 ; x2 = 0 ; cin >> a >> b; if (b == 1) v1.insert (a) ; else v2.insert (a) ; if (v1.size() == 0) { cout << '<' << endl ; } else if (v2.size() == 0) { cout << '>' << endl ; } else { it1 = -- v1.end() ; it2 = -- v2.end() ; for ( ; ; ) { if ( *it1 > *it2 ) x1 ++ ; else x2 ++ ; if (it1 == v1.begin () || it2 == v2 .begin ()) break ; it1 -- ; it2 -- ; } if ( x1 == 0 ) cout << '<' << endl ; else if ( x2 == 0 ) cout << '>' << endl ; else cout << '?' << endl ; } } }

컴파일 시 표준 에러 (stderr) 메시지

stones.cpp:9:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
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