Compilare: main.cpp: In function 'int main()': main.cpp:33:45: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'char*' [-Wformat=] fscanf( fin, "%d", &a[ l ][ c ] ); ^ main.cpp:29:70: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d%d%d%d", &n, &m, &st.l, &st.c, &dr.l, &dr.c ); ^ main.cpp:33:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a[ l ][ c ] ); ^