View Compilation Error

0_0_9029447_13114.cpp: In function `int main()':
0_0_9029447_13114.cpp:6: error: `s' undeclared (first use this function)
0_0_9029447_13114.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9029447_13114.cpp:15: error: `sum1' undeclared (first use this function)
0_0_9029447_13114.cpp: At global scope:
0_0_9029447_13114.cpp:21: error: invalid token
0_0_9029447_13114.cpp:21: error: expected constructor, destructor, or type conversion before '<' token
0_0_9029447_13114.cpp:21: error: expected `,' or `;' before '<' token
0_0_9029447_13114.cpp: In function `int main()':
0_0_9029447_13114.cpp:24: error: redefinition of `int main()'
0_0_9029447_13114.cpp:4: error: `int main()' previously defined here
0_0_9029447_13114.cpp:26: error: `s' undeclared (first use this function)
0_0_9029447_13114.cpp:35: error: `sum1' undeclared (first use this function)