View Compilation Error

0_0_10577682_9993.c:4:21: algorithm: No such file or directory
0_0_10577682_9993.c:5: error: syntax error before "namespace"
0_0_10577682_9993.c: In function `main':
0_0_10577682_9993.c:10: error: syntax error before "int"
0_0_10577682_9993.c:18: error: syntax error before "int"
0_0_10577682_9993.c:20: error: syntax error before '/' token