>>863
gcc -Wall -o self1 self1.c
self1.c:1:22: algorithm: No such file or directory
self1.c:2:21: iostream: No such file or directory
self1.c:3:20: fstream: No such file or directory
self1.c: In function `main':
self1.c:7: parse error before ':' token
self1.c:7: warning: label `std' defined but not used

ひょっとして環境依存？