immortal.cpp: In function `int main()': immortal.cpp:20: warning: statement with no effect immortal.cpp:21: warning: statement with no effect immortal.cpp:22: warning: statement with no effect immortal.cpp:26: warning: statement with no effect immortal.cpp:27: warning: statement with no effect immortal.cpp:28: warning: statement with no effect immortal.cpp:32: warning: statement with no effect immortal.cpp:33: warning: statement with no effect immortal.cpp:34: warning: statement with no effect immortal.cpp:38: warning: statement with no effect immortal.cpp:39: warning: statement with no effect immortal.cpp:40: warning: statement with no effect