Compilare: main.cpp: In function 'int main()': main.cpp:93:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<qres.size();j++) ~^~~~~~~~~~~~ main.cpp:101:30: warning: format '%i' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=] printf("%i \n", maxim); ^ main.cpp:72:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i",&N,&M); ^ main.cpp:76:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i",&nr); ^ main.cpp:91:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i",&start,&finish); ^