View Compilation Error

0_0_4672174_25688.c:4:18: vector: No such file or directory
0_0_4672174_25688.c:5:21: algorithm: No such file or directory
0_0_4672174_25688.c:6: error: syntax error before "namespace"
0_0_4672174_25688.c:13: error: syntax error before '<' token
0_0_4672174_25688.c: In function `main':
0_0_4672174_25688.c:101: error: `vec' undeclared (first use in this function)
0_0_4672174_25688.c:101: error: (Each undeclared identifier is reported only once
0_0_4672174_25688.c:101: error: for each function it appears in.)