Submission #58977

# Submission time Handle Problem Language Result Execution time Memory
58977 2018-07-19T23:54:35 Z Benq Brunhilda’s Birthday (BOI13_brunhilda) C++14
5.55556 / 100
1000 ms 42444 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()

const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001;

template<class T, int SZ> struct Seg {
    T seg[2*SZ], MN = 0;
    
    Seg() {
        F0R(i,2*SZ) seg[i] = MOD;
    }
    
    T comb(T a, T b) { return min(a,b); } // easily change this to min or max
    
    void upd(int p, T value) {  // set value at position p
        for (seg[p += SZ] = value; p > 1; p >>= 1)
            seg[p>>1] = comb(seg[(p|1)^1],seg[p|1]); // non-commutative operations
    }
    
    void build() {
        F0Rd(i,SZ) seg[i] = comb(seg[2*i],seg[2*i+1]);
    }
    
    T query(int l, int r) {  // sum on interval [l, r]
        T res1 = MN, res2 = MN; r++;
        for (l += SZ, r += SZ; l < r; l >>= 1, r >>= 1) {
            if (l&1) res1 = comb(res1,seg[l++]);
            if (r&1) res2 = comb(seg[--r],res2);
        }
        return comb(res1,res2);
    }
};

Seg<int,1<<17> S;
int m,Q, mx, ans[10000001], p[MX];
priority_queue<pi,vpi,greater<pi>> use;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> m >> Q;
    F0R(i,m) {
        cin >> p[i];
        use.push({p[i],i});
        S.upd(i,0);
    }
    vi todo;
    FOR(i,1,10000001) {
        while (sz(use) && use.top().f == i) {
            S.upd(use.top().s,MOD);
            todo.pb(use.top().s);
            use.pop();
        }
        if (sz(use) == 0) {
            mx = i-1;
            break;
        }
        ans[i] = S.seg[1]+1;
        for (int j: todo) {
            S.upd(j,ans[i]);
            use.push({p[j]+i,j});
        }
        todo.clear();
    }
    F0R(i,Q) {
        int x; cin >> x;
        if (x > mx) cout << "oo";
        else cout << ans[x];
        cout << "\n";
    }
}

/* Look for:
* the exact constraints (multiple sets are too slow for n=10^6 :( ) 
* special cases (n=1?)
* overflow (ll vs int?)
* array bounds
*/
# Verdict Execution time Memory Grader output
1 Correct 4 ms 1400 KB Output is correct
2 Execution timed out 1085 ms 25528 KB Time limit exceeded
3 Correct 37 ms 25528 KB Output is correct
4 Incorrect 198 ms 40628 KB Output isn't correct
5 Incorrect 558 ms 40628 KB Output isn't correct
6 Correct 5 ms 40628 KB Output is correct
7 Correct 35 ms 40628 KB Output is correct
8 Correct 153 ms 40628 KB Output is correct
9 Execution timed out 1090 ms 40628 KB Time limit exceeded
10 Execution timed out 1062 ms 40628 KB Time limit exceeded
11 Execution timed out 1087 ms 40628 KB Time limit exceeded
12 Incorrect 167 ms 40760 KB Output isn't correct
13 Execution timed out 1080 ms 40760 KB Time limit exceeded
14 Execution timed out 1069 ms 40760 KB Time limit exceeded
15 Execution timed out 1088 ms 40760 KB Time limit exceeded
16 Execution timed out 1081 ms 40760 KB Time limit exceeded
17 Incorrect 581 ms 40764 KB Output isn't correct
18 Incorrect 232 ms 40900 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 558 ms 41044 KB Output isn't correct
2 Incorrect 764 ms 42104 KB Output isn't correct
3 Execution timed out 1086 ms 42104 KB Time limit exceeded
4 Execution timed out 1085 ms 42104 KB Time limit exceeded
5 Execution timed out 1070 ms 42104 KB Time limit exceeded
6 Execution timed out 1089 ms 42104 KB Time limit exceeded
7 Incorrect 563 ms 42104 KB Output isn't correct
8 Execution timed out 1025 ms 42104 KB Time limit exceeded
9 Execution timed out 1091 ms 42104 KB Time limit exceeded
10 Execution timed out 1091 ms 42104 KB Time limit exceeded
11 Execution timed out 1071 ms 42104 KB Time limit exceeded
12 Execution timed out 1075 ms 42104 KB Time limit exceeded
13 Incorrect 695 ms 42104 KB Output isn't correct
14 Execution timed out 1091 ms 42104 KB Time limit exceeded
15 Execution timed out 1090 ms 42104 KB Time limit exceeded
16 Incorrect 763 ms 42152 KB Output isn't correct
17 Execution timed out 1086 ms 42152 KB Time limit exceeded
18 Execution timed out 1084 ms 42152 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 42152 KB Time limit exceeded
2 Execution timed out 1090 ms 42152 KB Time limit exceeded
3 Execution timed out 1083 ms 42152 KB Time limit exceeded
4 Execution timed out 1089 ms 42152 KB Time limit exceeded
5 Incorrect 826 ms 42444 KB Output isn't correct
6 Execution timed out 1084 ms 42444 KB Time limit exceeded
7 Execution timed out 1091 ms 42444 KB Time limit exceeded
8 Execution timed out 1075 ms 42444 KB Time limit exceeded
9 Execution timed out 1085 ms 42444 KB Time limit exceeded
10 Execution timed out 1082 ms 42444 KB Time limit exceeded
11 Execution timed out 1088 ms 42444 KB Time limit exceeded
12 Execution timed out 1085 ms 42444 KB Time limit exceeded
13 Execution timed out 1091 ms 42444 KB Time limit exceeded
14 Execution timed out 1085 ms 42444 KB Time limit exceeded
15 Execution timed out 1086 ms 42444 KB Time limit exceeded
16 Execution timed out 1082 ms 42444 KB Time limit exceeded
17 Execution timed out 1080 ms 42444 KB Time limit exceeded
18 Execution timed out 1080 ms 42444 KB Time limit exceeded
19 Execution timed out 1078 ms 42444 KB Time limit exceeded
20 Execution timed out 1087 ms 42444 KB Time limit exceeded
21 Execution timed out 1081 ms 42444 KB Time limit exceeded
22 Execution timed out 1083 ms 42444 KB Time limit exceeded
23 Incorrect 827 ms 42444 KB Output isn't correct
24 Incorrect 514 ms 42444 KB Output isn't correct
25 Execution timed out 1091 ms 42444 KB Time limit exceeded
26 Execution timed out 1082 ms 42444 KB Time limit exceeded
27 Execution timed out 1088 ms 42444 KB Time limit exceeded
28 Execution timed out 1053 ms 42444 KB Time limit exceeded
29 Execution timed out 1086 ms 42444 KB Time limit exceeded
30 Execution timed out 1083 ms 42444 KB Time limit exceeded
31 Execution timed out 1090 ms 42444 KB Time limit exceeded
32 Execution timed out 1085 ms 42444 KB Time limit exceeded
33 Incorrect 306 ms 42444 KB Output isn't correct
34 Execution timed out 1085 ms 42444 KB Time limit exceeded
35 Execution timed out 1091 ms 42444 KB Time limit exceeded
36 Execution timed out 1097 ms 42444 KB Time limit exceeded
37 Incorrect 782 ms 42444 KB Output isn't correct
38 Execution timed out 1093 ms 42444 KB Time limit exceeded
39 Incorrect 653 ms 42444 KB Output isn't correct
40 Execution timed out 1085 ms 42444 KB Time limit exceeded
41 Execution timed out 1092 ms 42444 KB Time limit exceeded
42 Execution timed out 1086 ms 42444 KB Time limit exceeded