Run id: 148511

Main.cc: In function 'int main()':
Main.cc:19:20: warning: conversion lacks type at end of format [-Wformat=]
     printf("%2",z/n);
                    ^
Main.cc:19:20: warning: too many arguments for format [-Wformat-extra-args]
Main.cc:21:14: error: invalid operands of types 'double' and 'const char [2]' to binary 'operator<<'
     cout