Compilare: user.cpp: In function ‘int main()’: user.cpp:35:54: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ball* {aka short unsigned int*}’ [-Wformat=] for( j = 1; j <= m; ++j ) scanf("%d",&a[i][j]); ^ user.cpp:28:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bila.in","r",stdin); ^ user.cpp:29:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bila.out","w",stdout); ^ user.cpp:33:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:35:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( j = 1; j <= m; ++j ) scanf("%d",&a[i][j]); ^ user.cpp: In function ‘void get_best(int, int)’: user.cpp:14:21: warning: ‘way’ may be used uninitialized in this function [-Wmaybe-uninitialized] int k,maxim=INF,way; ^ user.cpp: In function ‘int main()’: user.cpp:31:23: warning: ‘HMIN’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,j,n,m,MAX=0,HMIN; ^