Borderou de evaluare (job #569971)

Compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:41:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:45:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:56:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:78:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:90:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:101:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:104:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:124:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:137:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:140:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:142:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:149:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:164:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]