제출 #369678

#제출 시각아이디문제언어결과실행 시간메모리
369678Bill_00Jakarta Skyscrapers (APIO15_skyscraper)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define ff first #define ss second #define mp make_pair #define pb push_back #define pp push #define MOD 1000000007 #define INF 1e18 #define N 30005 #define M 5000000 typedef long long ll; const ll c=174; using namespace std; ll b[N],p[N],path[N]; vector<ll>pos[N]; unordered_map<ll,bool>pp[N]; vector<pair<ll,ll> >adj[N]; bool vis[N],visited[N]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) memset(path,-1,sizeof(path)); ll n,m; cin >> n >> m; for(ll i=1;i<=m;i++){ cin >> b[i] >> p[i]; if(pp[b[i]][p[i]]!=0){ vis[i]=1; } else{ pos[b[i]].pb(i); pp[b[i]][p[i]]=1; } } if(b[1]==b[2]){ cout << 0; return 0; } for(ll i=1;i<=m;i++){ if(vis[i]==1) continue; for(ll j=b[i];j<n;j+=p[i]){ bool flag=0; for(ll k=0;k<pos[j].size();k++){ if(i==pos[j][k]) continue; adj[i].pb({pos[j][k],(j-b[i])/p[i]}); if(p[i]==p[pos[j][k]]) flag=1; } if(flag==1) break; } for(ll j=b[i]-p[i];j>=0;j-=p[i]){ bool flag=0; for(ll k=0;k<pos[j].size();k++){ adj[i].pb({pos[j][k],(b[i]-j)/p[i]}); if(p[i]==p[pos[j][k]]) flag=1; } if(flag==1) break; } } priority_queue<pair<ll,ll> >pq; pq.push({0,1}); while(!pq.empty()){ ll cost=-pq.top().ff; ll doge_id=pq.top().ss; // cout << doge_id <<" " << cost << '\n'; path[doge_id]=cost; pq.pop(); visited[doge_id]=1; for(pair<int,int>i:adj[doge_id]){ pq.push({-(cost+i.ss),i.ff}); } while(!pq.empty() && visited[pq.top().ss]==1) pq.pop(); } cout << path[2]; }

컴파일 시 표준 에러 (stderr) 메시지

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:23:13: error: expected ';' before 'memset'
   23 |  cout.tie(0)
      |             ^
      |             ;
   24 |  memset(path,-1,sizeof(path));
      |  ~~~~~~      
skyscraper.cpp:45:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(ll k=0;k<pos[j].size();k++){
      |                ~^~~~~~~~~~~~~~
skyscraper.cpp:54:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for(ll k=0;k<pos[j].size();k++){
      |                ~^~~~~~~~~~~~~~