View Compilation Error

0_0_8476350_16575.cpp:9: error: expected init-declarator before "string"
0_0_8476350_16575.cpp:9: error: expected `,' or `;' before "string"
0_0_8476350_16575.cpp: In function `int main()':
0_0_8476350_16575.cpp:14: error: `s1' undeclared (first use this function)
0_0_8476350_16575.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8476350_16575.cpp:15: error: `s2' undeclared (first use this function)
0_0_8476350_16575.cpp:18: error: expected `;' before numeric constant
0_0_8476350_16575.cpp:20: error: `i' undeclared (first use this function)
0_0_8476350_16575.cpp:20: error: expected `;' before ')' token