Submission #536838

#	Time	Username	Problem	Language	Result	Execution time	Memory
536838		zaneyu	Popeala (CEOI16_popeala)	C++14	26 / 100	1090 ms	5492 KiB

popeala

/*input
2 3 3
4 3 5
101
110
*/
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define MNTO(x,y) x=min(x,y)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define ll long long
const int maxn=2e4+5;
int dp[maxn][55];
bool ok[maxn];
int arr[maxn];
string s[maxn];
int cnt[55][maxn];
int turn[55][maxn];
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n,m,S;
    cin>>n>>m>>S;
    REP1(i,m) cin>>arr[i];
    REP(i,n){
        cin>>s[i];
        s[i]="0"+s[i];
        REP1(j,m){
            char c=s[i][j];
            cnt[i][j]=cnt[i][j-1]+(c-'0');
        }
    }
    REP1(i,m){
        REP1(j,n){
            int l=0,r=i;
            while(l<r){
                int mid=(l+r+1)/2;
                int ans=0;
                REP(a,n){
                    if(cnt[a][i]-cnt[a][mid]!=(i-mid)) ++ans;
                }
                if(ans>=j) l=mid;
                else r=mid-1;
            }
        }
    }
    if(m>4000) assert(false);
    REP(i,m+1) REP(j,S+1) dp[i][j]=INT_MAX;
    dp[0][0]=0;
    REP1(i,m){
        int cnt=n;
        int sum=0;
        REP(a,n) ok[a]=1;
        for(int j=i;j>=0;j--){
            if(j!=i){
                REP1(k,S){
                    if(dp[j][k-1]==INT_MAX) continue;
                    MNTO(dp[i][k],dp[j][k-1]+cnt*sum);
                }
            }
            sum+=arr[j];
            cnt=0;
            REP(a,n){
                if(s[a][j]=='0') ok[a]=0;
                if(ok[a]) ++cnt;
            }
        }
    }
    REP1(j,S) cout<<dp[m][j]<<'\n';
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 0 / 74