Compilare: user.cpp: In function ‘void prelsol()’: user.cpp:24:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ss[n]<s[n]) ^ user.cpp:24:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(ss[n]<s[n]) ^ user.cpp:25:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] {if(ss[n]<smin) {smin=ss[n]; for(i=1;i<=n;i++) xm[i]=x[n+1-i];}} ^ user.cpp:25:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] {if(ss[n]<smin) {smin=ss[n]; for(i=1;i<=n;i++) xm[i]=x[n+1-i];}} ^ user.cpp:26:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(s[n]<smin) {smin=s[n]; for(i=1;i<=n;i++) xm[i]=x[i];} ^ user.cpp:26:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(s[n]<smin) {smin=s[n]; for(i=1;i<=n;i++) xm[i]=x[i];} ^ user.cpp: In function ‘void back(art&, short int)’: user.cpp:37:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] s[k]=s[k-1]+p[k][x[k]]; ^ user.cpp:38:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] ss[k]=ss[k-1]+p[n+1-k][x[k]]; ^ user.cpp: In function ‘int main()’: user.cpp:60:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vl) {n++; e[n].v=vl; e[n].l=i; e[n].c=j;} ^ user.cpp:60:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vl) {n++; e[n].v=vl; e[n].l=i; e[n].c=j;} ^ user.cpp:60:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(vl) {n++; e[n].v=vl; e[n].l=i; e[n].c=j;} ^ user.cpp:63:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(t=1;t<=n;t++) poz[e[t].l][e[t].c]=t; ^ user.cpp:63:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(t=1;t<=n;t++) poz[e[t].l][e[t].c]=t; ^ user.cpp:74:21: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=] printf("%ld\n",smin); ^ user.cpp:55:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma3.in","r",stdin); freopen("suma3.out","w",stdout); ^ user.cpp:55:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma3.in","r",stdin); freopen("suma3.out","w",stdout);