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Submission #248360

# Submission time Handle Problem Language Result Execution time Memory
248360 2020-07-12T09:45:30 Z VEGAnn Sirni (COCI17_sirni) C++14
56 / 140
 5000 ms 786436 KB 
#include <bits/stdc++.h>
#define ft first
#define sd second
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define PB push_back
#define i2 array<int,2>
#define pis pair<int,short>
using namespace std;
typedef long long ll;
const int N = 100100;
const int BIG = int(1e7) + 10;
const int con = (1 << 10) - 1;
const int oo = 2e9;
int mrk[BIG];
vector<pis> edg;
vector<int> vc;
int n, a[N], nt[BIG];
ll ans = 0;

int get(int x) { return (x == nt[x] ? x : nt[x] = get(nt[x])); }

void calc(){
    for (int i = BIG - 2; i > 0; i--)
        if (mrk[i])
            nt[i] = i;
        else nt[i] = nt[i + 1];

    for (int cr : vc){
        int cm = mrk[cr];

        int x = cr;

        nt[get(x)] = get(x + 1);

        for (int i = get(x); i < BIG - 1; ){
            int nw = i % x;

            edg.PB({(mrk[i] << 10) + (mrk[x] & con), (mrk[x] >> 10)});

            if (nw == 0)
                i += x;
            else i += x - nw;

            i = get(i);
        }
    }
}

bool cmp(pis _x, pis _y){
    int x1 = (_x.ft >> 10), x2 = (_x.sd << 10) + (_x.ft & con);
    int y1 = (_y.ft >> 10), y2 = (_y.sd << 10) + (_y.ft & con);

    return (a[x1] % a[x2]) < (a[y1] % a[y2]);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n;

    for (int i = 1; i <= n; i++){
        int x; cin >> x;
        a[i] = x;
    }

    sort(a + 1, a + n + 1);

    for (int i = 1; i <= n; i++){
        int x = a[i];
        mrk[x] = i;
    }

    int siz = 0;

    for (int i = 1; i < BIG; i++)
        if (mrk[i]) {
            siz++;
            vc.PB(i);
        }

    nt[BIG - 1] = BIG - 1;

    calc();

    sort(all(edg), cmp);

    for (int cr : vc)
        nt[cr] = cr;

    for (pis _x : edg){
        int x = (_x.ft >> 10), y = (_x.sd << 10) + (_x.ft & con);

        x = a[x];
        y = a[y];

        int xx = get(x), yy = get(y);

        if (xx == yy) continue;

        ans += x % y;

        nt[xx] = yy;
    }

    cout << ans << '\n';

    return 0;
}

Compilation message

sirni.cpp: In function 'void calc()':
sirni.cpp:30:13: warning: unused variable 'cm' [-Wunused-variable]
         int cm = mrk[cr];
             ^~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1652 ms 786436 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 39800 KB Output is correct
2 Runtime error 1518 ms 786436 KB Execution killed with signal 9 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 3094 ms 786436 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 467 ms 52580 KB Output is correct
2 Correct 1564 ms 77144 KB Output is correct
3 Correct 626 ms 60768 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 134 ms 45804 KB Output is correct
2 Correct 934 ms 76092 KB Output is correct
3 Correct 470 ms 50532 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 975 ms 77256 KB Output is correct
2 Correct 2047 ms 110160 KB Output is correct
3 Correct 574 ms 60764 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 194 ms 44904 KB Output is correct
2 Correct 1910 ms 110024 KB Output is correct
3 Correct 550 ms 60720 KB Output is correct

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5107 ms 605012 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 4150 ms 786432 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 2017 ms 786432 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -