Eroare de compilare: main.cpp: In function 'int main()': main.cpp:121:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (p=0;p<mch[j].size();p++){ ~^~~~~~~~~~~~~~ main.cpp:126:40: error: 'memset' was not declared in this scope memset (d[i%2],0,sizeof(d[i%2])); ^ main.cpp:51:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&k); ^ Non zero exit status: 1