View Compilation Error

0_0_12962613_16601.cpp: In function `int main()':
0_0_12962613_16601.cpp:48: error: name lookup of `i' changed for new ISO `for' scoping
0_0_12962613_16601.cpp:46: error:   using obsolete binding at `i'
0_0_12962613_16601.cpp:51: error: `cnt' undeclared (first use this function)
0_0_12962613_16601.cpp:51: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12962613_16601.cpp:61: error: `ans' undeclared (first use this function)
0_0_12962613_16601.cpp: At global scope:
0_0_12962613_16601.cpp:63: error: expected unqualified-id before "return"
0_0_12962613_16601.cpp:63: error: expected `,' or `;' before "return"
0_0_12962613_16601.cpp:64: error: expected declaration before '}' token