Compilare: main.cpp: In function 'int expresie()': main.cpp:28:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 28 | while (i < n && s[i] == '+' || s[i] == '-') | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int termen()': main.cpp:47:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 47 | while (i < n && s[i] == '*' || s[i] == '/') | ~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int factor()': main.cpp:69:11: warning: 'r' may be used uninitialized [-Wmaybe-uninitialized] 69 | r += expresie(); | ~~^~~~~~~~~~~~~ main.cpp:65:9: note: 'r' was declared here 65 | int r; | ^