Submission #1077554

#TimeUsernameProblemLanguageResultExecution timeMemory
1077554vjudge1Council (JOI23_council)C++17
0 / 100
417 ms8724 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long map<int,int>ma; int sum[1000000]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,m; cin>>n>>m; int ans=0; int a[n][m]; int co[m]; for(int i=0;i<m;i++) co[i]=0; int val[n]; for(int i=0;i<n;i++) { //co[i]=0; val[i]=0; } for(int i=0;i<n;i++) { for(int y=0;y<m;y++) { cin>>a[i][y]; if(a[i][y]==1) co[y]++; val[i]+=(1<<y)*a[i][y]; } ma[val[i]]=1; } vector<int>v; for(auto i:ma) v.push_back(i.first); int l=v.size(); int p[l],pp[l]; int s1=0,s2=0; for(int i=0;i<m;i++) { if(co[i]>=n/2) ans++; if(co[i]<n/2) continue; else if(co[i]==n/2) s1+=1<<i; else if(co[i]==n/2+1) s2+=1<<i; } int o[l]; // cout<<s1<<' '<<s2<<endl; for(int i=0;i<l;i++) { // cout<<i<<endl; p[i]=v[i]&s1; pp[i]=v[i]&s2; o[i]=__builtin_popcount(p[i]); int x=-1000000000; //cout<<i<<' '; for(int y=i-1;y>=0;y--) { //cout<<y<<endl; int h=ans-__builtin_popcount(p[i]|p[y])-__builtin_popcount(pp[i]&pp[y]); x=max(x,h); sum[v[y]]=max(sum[v[y]],h); } sum[v[i]]=x; } for(int i=0;i<n;i++) cout<<sum[val[i]]<<endl; }

Compilation message (stderr)

council.cpp: In function 'int main()':
council.cpp:31:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   31 |  if(a[i][y]==1)
      |  ^~
council.cpp:33:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   33 |    val[i]+=(1<<y)*a[i][y];
      |    ^~~
council.cpp:57:7: warning: variable 'o' set but not used [-Wunused-but-set-variable]
   57 |   int o[l];
      |       ^
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