#define _CRT_SECURE_NO_WARNINGS #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define eps 0.000000001 #define LONG_INF 10000000000000000 #define GOLD 1.61803398874989484820458 #define MAX_MOD 1000000007 #define f(n) for(int i=0;i> a >> b >> c; double n = 0; int cnter = 0; failed:; for (int i = 0;i < 50000;++i) { n = n - (calc_f(n) / calc_fd(n)); } //nは解の一つ vector ans; for (int i = 0;i >= 0;++i) { long long nya = n; if (i % 2 == 0) nya += i / 2; else nya -= (i + 1) / 2; if (calc_f(nya) == 0) { ans.push_back((long long)nya); break; } } double q = 1; double w = a + ans[0]; double h = ans[0] * ans[0] + ans[0] * a + b; double topper = -1 * w + sqrt(w*w - 4 * q*h); topper /= 2 * q; ans.push_back((long long)(topper)); topper = -1 * w - sqrt(w*w - 4 * q*h); topper /= 2 * q; ans.push_back((long long)(topper)); sort(ans.begin(), ans.end()); cout << ans[0] << " " << ans[1] << " " << ans[2] << endl; return 0; }