Compilare: main.cpp: In function 'void calc_timp()': main.cpp:20:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 20 | while(s[p]!='('&&s[p]!=')'&&p<strlen(s)) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:84:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 84 | for(i=0; i<strlen(s); i++) | ~^~~~~~~~~~ main.cpp:91:42: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 91 | while(s[p]!='('&&s[p]!=')'&&p<strlen(s)) | ~^~~~~~~~~~