Compilare: main.cpp: In function 'int main()': main.cpp:63:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d%d", &n, &l ); ^ main.cpp:66:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &m[x][y] ); ^ main.cpp:68:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &v[i] ); ^