Borderou de evaluare (job #376391)

Compilare: user.cpp: In function ‘int mints()’: user.cpp:20:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:27:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:62:73: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.cpp:65:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:71:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:74:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:81:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:100:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:101:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:93:14: warning: unused variable ‘val’ [-Wunused-variable]