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Submission #11549

# Submission time Handle Problem Language Result Execution time Memory
11549 2014-12-01T02:23:17 Z gs14004 Sequence (BOI14_sequence) C++
25 / 100
 220 ms 2144 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

int n;
long long res = 1e16, p[17];

void solve(vector<int> bit, long long cb, int depth, int gotZero){
    if(cb > res) return;
    if(bit.size() == 1){
        int r = bit[0];
        if(r == 0){
            if(gotZero) cb += p[depth];
        }
        else if(r == 1){
            // signifies that we need zeros
            cb += p[depth] * 10;
        }
        else{
            vector<int> v;
            for (int i=9; i>=0; i--) {
                if((r>>i)&1) v.push_back(i);
            }
            if(v.back() == 0){
                swap(v[v.size() - 2],v.back());
            }
            for (int i=0; i<v.size(); i++) {
                cb += p[depth] * v[i];
                depth++;
            }
        }
        res = min(res,cb);
        return;
    }
    for (int i=0; i<10; i++) {
        vector<int> v2;
        int piv = i;
        v2.push_back(0);
        for (int j=0; j<bit.size(); j++) {
            v2.back() |= (bit[j] & (~(1<<piv)));
            if(piv == 9 && j != bit.size() - 1){
                v2.push_back(0);
                piv = -1;
            }
            piv++;
        }
        solve(v2,cb + p[depth] * i,depth+1,(i == 0));
    }
}

int main(){
    vector<int> v;
    scanf("%d",&n);
    p[0] = 1;
    for (int i=1; i<17; i++) {
        p[i] = p[i-1] * 10;
    }
    for (int i=0; i<n; i++) {
        int t;
        scanf("%d",&t);
        v.push_back(1<<t);
    }
    solve(v,0,0,0);
    printf("%lld",res);
}

Subtask #1
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1240 KB Output is correct
2 Incorrect 12 ms 1240 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1240 KB Output is correct
2 Incorrect 12 ms 1240 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1240 KB Output is correct
2 Correct 44 ms 1240 KB Output is correct
3 Correct 44 ms 1240 KB Output is correct
4 Correct 24 ms 1240 KB Output is correct
5 Correct 40 ms 1240 KB Output is correct
6 Correct 12 ms 1240 KB Output is correct
7 Correct 132 ms 2024 KB Output is correct
8 Correct 120 ms 1676 KB Output is correct
9 Correct 208 ms 2144 KB Output is correct
10 Correct 220 ms 2144 KB Output is correct

Subtask #4
0.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1240 KB Output is correct
2 Incorrect 12 ms 1240 KB Output isn't correct
3 Halted 0 ms 0 KB -