真心没啥东西,只要能\(Get\)到在数字输入的时候按位取模,以及除数也可以直接取模就可以了。(把每个数看做乘法原理和加法原理构造起来的即可。)
#includeusing namespace std;const int Mod = 19260817;int read_Mod () { int s = 0, ch = getchar (); while ('9' < ch || ch < '0') { ch = getchar (); } while ('0' <= ch && ch <= '9') { s = (s * 10 + ch - '0') % Mod; ch = getchar (); } return s;}int fpow (int x, int y) { int res = 1; while (y) { if (y & 1) { res = 1LL * res * x % Mod; } x = 1LL * x * x % Mod; y >>= 1; } return res;}int main () { int a = read_Mod (), b = read_Mod (); if (b == 0) cout << "Angry!" << endl; else cout << (1LL * a * fpow (b, Mod - 2)) % Mod << endl; }