Compilare: user.cpp: In function ‘int main()’: user.cpp:33:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &m, &n); ^ user.cpp:36:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i]); ^ user.cpp:39:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &b[i]); ^ user.cpp:71:25: warning: ‘maxJ’ may be used uninitialized in this function [-Wmaybe-uninitialized] PrintSol(maxI, maxJ); ^ user.cpp:71:25: warning: ‘maxI’ may be used uninitialized in this function [-Wmaybe-uninitialized]