#include<iostream> using namespace std; int n = 300; int solve(int x) { return x * (n - x); } int main() { int l = 1, r = n; int mid1, mid2; int t = 50; while (t--) { mid1 = l + r >> 1; mid2 = mid1 + r >> 1; if (solve(mid1) > solve(mid2)) { r = mid2; } else { l = mid1; } } cout << l << endl; return 0; }程序的输出为()