fastinput c++

Author: rachitiitr

Library/Miscellanious/fast_input.cpp

@@ -0,0 +1,11 @@
+void si(int &ret){
+	int ip=gc(),flag=1;ret=0;for(;ip<'0'||ip>'9';ip=gc())
+	if(ip=='-'){flag=-1;ip=gc();break;}
+	for(;ip>='0'&&ip<='9';ip=gc())ret=(ret<<1)+(ret<<3)+ip-'0';ret*=flag;
+}
+
+void sl(ll &ret) {
+	int ip=gc(),flag=1;ret=0;for(;ip<'0'||ip>'9';ip=gc())
+	if(ip=='-'){flag=-1;ip=gc();break;}
+	for(;ip>='0'&&ip<='9';ip=gc())ret=(ret<<1)+(ret<<3)+ip-'0';ret*=flag;
+}