Compilare: main.cpp: In function 'int expresie()': main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 15 | while(cnt<strlen(ch) && (ch[cnt]=='m' || ch[cnt]=='M')) | ~~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:50:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0;i<strlen(curr);i++) | ~^~~~~~~~~~~~~