case1.cpp: In function `int main()': case1.cpp:19: warning: statement with no effect case1.cpp:20: warning: statement with no effect case1.cpp:21: warning: statement with no effect case1.cpp:25: warning: statement with no effect case1.cpp:26: warning: statement with no effect case1.cpp:27: warning: statement with no effect case1.cpp:28: warning: statement with no effect case1.cpp:29: warning: statement with no effect case1.cpp:30: warning: statement with no effect case1.cpp:34: warning: statement with no effect case1.cpp:35: warning: statement with no effect case1.cpp:36: warning: statement with no effect case1.cpp:37: warning: statement with no effect case1.cpp:38: warning: statement with no effect case1.cpp:39: warning: statement with no effect case1.cpp:43: warning: statement with no effect case1.cpp:44: warning: statement with no effect case1.cpp:45: warning: statement with no effect case1.cpp:46: warning: statement with no effect case1.cpp:47: warning: statement with no effect case1.cpp:48: warning: statement with no effect case1.cpp:49: warning: statement with no effect case1.cpp:50: warning: statement with no effect case1.cpp:51: warning: statement with no effect