View Compilation Error

0_0_10240022_1823.cpp: In function `int main(char*)':
0_0_10240022_1823.cpp:11: error: expected primary-expression before '/' token
0_0_10240022_1823.cpp:13: error: `flag' undeclared (first use this function)
0_0_10240022_1823.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)