Borderou de evaluare (job #585196)

Compilare: main.cpp: In function 'int main()': main.cpp:31:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 31 | fscanf(fin, "%d%d", &n, &k); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:33:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 33 | fscanf(fin, "%d", &op); | ~~~~~~^~~~~~~~~~~~~~~~ main.cpp:65:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 65 | fscanf(fin, "%d%d", &a1, &b); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int getnr()': main.cpp:15:10: warning: 'ch' is used uninitialized in this function [-Wuninitialized] 15 | while (!(ch >= '0' && ch <= '9')) | ^~~~~~~~~~~~~~~~~~~~~~~~~