Compilare: main.cpp: In function 'int cmp(int, int)': main.cpp:48:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<cura.size();i++){ ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:78:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&c); ^ main.cpp:82:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&a,&b); ^ main.cpp:93:45: warning: 'bestlexicomaxi' may be used uninitialized in this function [-Wmaybe-uninitialized] bestlexicomaxi=cmp(bestlexicomaxi,x); ^