election_campaign.cpp: In member function 'void Tree::change(long long int, long long int, long long int, long long int, long long int)':
election_campaign.cpp:37:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
37 | ll mid=l+r>>1;
| ~^~
election_campaign.cpp: In member function 'long long int Tree::ask(long long int, long long int, long long int, long long int, long long int)':
election_campaign.cpp:46:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
46 | ll mid=L+R>>1;
| ~^~
election_campaign.cpp: In function 'int main()':
election_campaign.cpp:130:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<std::pair<long long int, long long int>, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
130 | for(ll j=0;j<d[x].size();++j){
| ~^~~~~~~~~~~~
election_campaign.cpp:107:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
107 | scanf("%lld",&n);
| ~~~~~^~~~~~~~~~~
election_campaign.cpp:109:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
109 | scanf("%lld%lld",&x,&y);
| ~~~~~^~~~~~~~~~~~~~~~~~
election_campaign.cpp:117:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
117 | scanf("%lld",&m);
| ~~~~~^~~~~~~~~~~
election_campaign.cpp:119:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
119 | scanf("%lld%lld%lld",&x,&y,&z);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~