Borderou de evaluare (job #814382)

Compilare: main.cpp: In function 'int main()': main.cpp:40:24: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 40 | while (j>0 && st[j]=='*' || st[j]=='/' || st[j]=='+' || st[j]=='-') | ~~~~^~~~~~~~~~~~~ main.cpp:51:24: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 51 | while (j>0 && st[j]=='*' || st[j]=='/') | ~~~~^~~~~~~~~~~~~ main.cpp:29:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 29 | fscanf(fin, "%s", c); | ~~~~~~^~~~~~~~~~~~~~