제출 #1283077

#제출 시각아이디문제언어결과실행 시간메모리
1283077Jawad_Akbar_JJSure Bet (CEOI17_sure)C++17
100 / 100
86 ms1980 KiB
#include <iostream> #include <algorithm> using namespace std; double a[1<<17], b[1<<17], M1, M2, s1, s2, Ans; int main(){ int n; cin>>n; for (int i=1;i<=n;i++) cin>>a[i]>>b[i]; sort(a + 1, a + n + 1); sort(b + 1, b + n + 1); int i1 = n, i2 = n; while (i1 + i2){ if (!!i1 and s1 <= s2) s1 += a[i1--]; else if (!!i2) s2 += b[i2--]; else i1 = i2 = 0; Ans = max(Ans, min(s1, s2) - (n + n - i1 - i2)); } printf("%.4lf\n", Ans); }
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