Compilare: main.cpp: In function 'void foarte_cancer()': main.cpp:79:11: warning: variable 'last' set but not used [-Wunused-but-set-variable] int mn, last, i, i1, i2, i3, nr, j; ^~~~ main.cpp: In function 'int main()': main.cpp:158:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &p); ^ main.cpp:159:45: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d%d", &n, &m, &k1, &k2); ^ main.cpp:162:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &a[i][j]); ^