namespace io { const int SIZE = 1e6; char buff[SIZE]; char *l = buff, *r = buff; void init() { l = buff; r = l + fread(buff, 1, SIZE, stdin); } char gc() { if (l == r) init(); if(l==r)return EOF; return *(l++); } void read(int &x) { x = 0; char ch = gc(); while(!isdigit(ch)) ch = gc(); while(isdigit(ch)) x = x * 10 + ch - '0', ch = gc(); } }using io::read;
#include<iostream> #include<cctype> using namespace std; using std::cin; using std::cout; using std::endl; namespace IN { const int MAX_INPUT = 1000000; #define getc() (p1 == p2 && (p2 = (p1 = buf) + inbuf -> sgetn(buf, MAX_INPUT), p1 == p2) ? EOF : *p1++) char buf[MAX_INPUT], *p1, *p2; template <typename T> inline bool redi(T &x) { static std::streambuf *inbuf = cin.rdbuf(); x = 0; register int f = 0, flag = false; register char ch = getc(); while (!std::isdigit(ch)) { if (ch == '-') f = 1; ch = getc(); } if (std::isdigit(ch)) x = x * 10 + ch - '0', ch = getc(),flag = true; while (std::isdigit(ch)) { x = x * 10 + ch - 48; ch = getc(); } x = f ? -x : x ; return flag; } template <typename T,typename ...Args> inline bool redi(T& a,Args& ...args) { return redi(a) && redi(args...); } #undef getc } namespace OUT { template <typename T> inline void put(T x) { static std::streambuf *outbuf = cout.rdbuf(); static char stack[21]; static int top = 0; if (x < 0) { outbuf -> sputc('-'); x=-x; } if (!x) { outbuf -> sputc('0'); outbuf -> sputc(' '); return; } while (x) { stack[++top] = x % 10 + '0'; x /= 10; } while (top) { outbuf -> sputc(stack[top]); -- top; } outbuf -> sputc(' '); } inline void putc (const char ch) { static std::streambuf *outbuf = cout.rdbuf(); outbuf -> sputc(ch); } template <typename T> inline void put(const char ch,T x) { static std::streambuf *outbuf = cout.rdbuf(); static char stack[21]; static int top = 0; if (x < 0) { outbuf -> sputc('-'); x=-x; } if (!x) { outbuf -> sputc('0'); outbuf -> sputc(ch); return; } while (x) { stack[++top] = x % 10 + '0'; x /= 10; } while (top) { outbuf -> sputc(stack[top]); --top; } outbuf -> sputc(ch); } template<typename T,typename ...Args> inline void put(T a,Args ...args) { put(a);put(args...); } template<typename T,typename ...Args> inline void put(const char ch,T a,Args ...args) { put(ch,a);put(ch,args...); } } using IN::redi; using OUT::put; using OUT::putc; int main(int argc, char const *argv[]) { freopen("testdata.in","r",stdin); freopen("testdata.out","w",stdout); std::ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int a,b; redi(a,b); put(' ',a,b); putc(' '); put(' ',a,b,a+b,a*b); fclose(stdin);fclose(stdout); return 0; }