Compilare: main.cpp: In function 'int main()': main.cpp:10:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &m, &n ); ^ main.cpp:12:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &sirm[i] ); ^ main.cpp:16:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a ); ^ main.cpp:39:27: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] if ( directii[l][c] == 1 ) { ~~~~~~~~~~~~~^ main.cpp:39:27: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]