View Compilation Error

0_0_10303572_27606.c: In function `main':
0_0_10303572_27606.c:3: error: `_64int' undeclared (first use in this function)
0_0_10303572_27606.c:3: error: (Each undeclared identifier is reported only once
0_0_10303572_27606.c:3: error: for each function it appears in.)
0_0_10303572_27606.c:3: error: syntax error before "T"
0_0_10303572_27606.c:4: error: `T' undeclared (first use in this function)
0_0_10303572_27606.c:6: error: `sum' undeclared (first use in this function)
0_0_10303572_27606.c:6: error: `max' undeclared (first use in this function)
0_0_10303572_27606.c:7: error: `n' undeclared (first use in this function)
0_0_10303572_27606.c:8: error: `i' undeclared (first use in this function)
0_0_10303572_27606.c:9: error: `t' undeclared (first use in this function)