Compilare: user.cpp: In function ‘void read_file()’: user.cpp:66:41: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f, "%d", &manca[i][j]); ^ user.cpp:55:88: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d%d%d%d%d%d", &p, &n, &m, &t, &panda.l, &panda.c, &codpanda, &biti); ^ user.cpp:62:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &l, &c), a[l][c] = 1;//, fprintf(g, "%d %d\n", l, c); ^ user.cpp:66:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &manca[i][j]); ^ user.cpp: In function ‘void solve_2()’: user.cpp:160:40: warning: ‘mn’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g, "%lld %lld", mn - 1, cnt); ^