Compilare: main.cpp: In function 'int main()': main.cpp:24:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ main.cpp:29:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &v[i] ) ; ^ main.cpp:49:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &nr ) ; ^ main.cpp:36:34: warning: 'p2' may be used uninitialized in this function [-Wmaybe-uninitialized] v2[s[i]-maxim + NMAX] = {p2+1, i} ; ~~^~ main.cpp:34:34: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized] v2[s[i]-minim + NMAX] = {p1+1, i} ; ~~^~