Compilare: main.cpp: In function 'int main()': main.cpp:37:15: warning: array subscript has type 'char' [-Wchar-subscripts] if(f[p[i].sc]<f[p[i].fr]+1) ^ main.cpp:37:26: warning: array subscript has type 'char' [-Wchar-subscripts] if(f[p[i].sc]<f[p[i].fr]+1) ^ main.cpp:39:13: warning: array subscript has type 'char' [-Wchar-subscripts] f[p[i].sc]=f[p[i].fr]+1; ^ main.cpp:39:24: warning: array subscript has type 'char' [-Wchar-subscripts] f[p[i].sc]=f[p[i].fr]+1; ^ main.cpp:40:18: warning: array subscript has type 'char' [-Wchar-subscripts] g[i]=f[p[i].sc]; ^ main.cpp:42:12: warning: array subscript has type 'char' [-Wchar-subscripts] f[p[i].sc]=max(f[p[i].sc],1); ^ main.cpp:42:27: warning: array subscript has type 'char' [-Wchar-subscripts] f[p[i].sc]=max(f[p[i].sc],1); ^ main.cpp:43:22: warning: array subscript has type 'char' [-Wchar-subscripts] mx=max(mx,f[p[i].sc]); ^ main.cpp:25:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("text3.in","r",stdin); ^ main.cpp:26:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("text3.out","w",stdout); ^