Compilare: main.cpp: In function 'int main()': main.cpp:98:18: warning: unused variable 'it' [-Wunused-variable] for(auto it:in[i]){ ^~ main.cpp:111:31: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(g,"%d\n",dp[n + 1]); ^ main.cpp:95:9: warning: unused variable 'cnt' [-Wunused-variable] int cnt = 0; ^~~ main.cpp:80:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&k,&q); ^ main.cpp:83:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&l[i],&r[i]); ^