Compilare: main.cpp: In function 'int main()': main.cpp:38:28: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=] fscanf(f,"%lld",&x); ^ main.cpp:73:16: warning: array subscript has type 'char' [-Wchar-subscripts] fr[s[i]]++; ^ main.cpp:74:18: warning: array subscript has type 'char' [-Wchar-subscripts] fr1[s1[i]]++; ^ main.cpp:94:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=0; j<a; j++) ^~~ main.cpp:101:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' nr=nr0*fr[s1[b]]+nr1*fr1[s1[b]]; ^~ main.cpp:101:28: warning: array subscript has type 'char' [-Wchar-subscripts] nr=nr0*fr[s1[b]]+nr1*fr1[s1[b]]; ^ main.cpp:101:43: warning: array subscript has type 'char' [-Wchar-subscripts] nr=nr0*fr[s1[b]]+nr1*fr1[s1[b]]; ^ main.cpp:119:27: warning: array subscript has type 'char' [-Wchar-subscripts] nr=nr0*fr[s[b]]+nr1*fr1[s[b]]; ^ main.cpp:119:41: warning: array subscript has type 'char' [-Wchar-subscripts] nr=nr0*fr[s[b]]+nr1*fr1[s[b]]; ^ main.cpp:29:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n",&n,&k); ^ main.cpp:31:21: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(sc,NMax,f); ^ main.cpp:38:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&x); ^