基础程序模板

#include<cstdio>#include<cstring>#include<algorithm>#define fo(i, j, k) for (i=(j);i<=(k);i++)#define fd(i, k, j) for (i=(k);i>=(j);i--)#define rd(a) scanf("%d", &a)#define rd2(a, b) scanf("%d%d", &a, &b)#define rd3(a, b, c) scanf("%d%d%d", &a, &b, &c)#define ms(i, j) memset(i, j, sizeof i)#define FN2 "" using namespace std;//const//struct//var//function//programvoid init() {}void solve() {}int main() {    #ifndef ONLINE_JUDGE    freopen(FN2".in","r",stdin);freopen(FN2".out","w",stdout);    #endif    while (...) init(), solve();    return 0;}