Submission #989129

#TimeUsernameProblemLanguageResultExecution timeMemory
989129AlphaMale06Council (JOI23_council)C++17
78 / 100
4067 ms24916 KiB
#include <bits/stdc++.h> using namespace std; const int N = 300001; const int M = 20; int a[N]; int sum[M], ans[N], mn[N], masks[N]; int dp[1<<10][1<<10], ppcnt[1<<10][1<<10]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; for(int i=0; i< n; i++){ for(int j=0; j< m; j++){ int x; cin >> x; a[i]+=x<<j; sum[j]+=x; } } for(int i=0; i< n; i++)mn[i]=1e9; for(int i=0; i< n; i++){ for(int j=0; j< m; j++)sum[j]-=(a[i] & (1<<j))>>j; for(int j=0; j< m; j++){ if(sum[j]>=n/2)ans[i]++; if(sum[j]==n/2)masks[i]+=1<<j; } for(int j=0; j< m; j++)sum[j]+=(a[i] & (1<<j))>>j; } for(int i=0; i< (1<<M); i++){ int f = i>>10; int s = i%1024; dp[f][s]=1e9; ppcnt[f][s]=__builtin_popcount(f & s); } for(int i=0; i< n-1; i++){ int x = a[i]; int f = x>>10; int s = x%1024; for(int j = 0; j<(1<<max(0, m-10)); j++){ dp[j][s]= min(dp[j][s], ppcnt[j][f]); } x = masks[i+1]; f = x>>10; s = x%1024; for(int j=0; j<(1<<10); j++){ mn[i+1]=min(mn[i+1], dp[f][j]+ppcnt[s][j]); } } for(int i=0; i< (1<<M); i++){ int f = i>>10; int s = i%1024; dp[f][s]=1e9; } for(int i=n-1; i>0; i--){ int x = a[i]; int f = x>>10; int s = x%1024; for(int j = 0; j<(1<<max(0, m-10)); j++){ dp[j][s]= min(dp[j][s], ppcnt[j][f]); } x = masks[i-1]; f = x>>10; s = x%1024; for(int j=0; j<(1<<10); j++){ mn[i-1]=min(mn[i-1], dp[f][j]+ppcnt[s][j]); } } for(int i=0; i< n; i++){ cout << ans[i]-mn[i] << '\n'; } }
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