Submission #141675

# Submission time Handle Problem Language Result Execution time Memory
141675 2019-08-08T20:07:51 Z mariusnicoli Cover (COCI18_cover) C++14
0 / 120
14 ms 1528 KB
#include <iostream>
#include <set>

using namespace std;
struct elem {
    int x;
    int y;
};

struct dreptunghi {
    int dimx;
    int dimy;
};

set<pair<int, int> > s;
elem v[20010];
dreptunghi d[20010];

int n, k, i, x, y, minim, maxim, sol;
int sp[20010], SP[20010];

int main () {

    cin>>n;
    for (i=1;i<=n;i++) {
        cin>>x>>y;
        s.insert(make_pair(x, y));
        s.insert(make_pair(-x, y));
        s.insert(make_pair(x, -y));
        s.insert(make_pair(-x, -y));
    }

    n = 0;
    for (set<pair<int, int> >::iterator it = s.begin(); it!=s.end(); it++) {
        v[++n].x = it->first;
        v[n].y = it->second;
    }

    minim = v[1].y;
    maxim = v[1].y;
    for (i=2;i<=n;i++) {
        if (v[i].x > 0)
            break;
        if (v[i].x == v[i-1].x) {
            maxim = max(maxim, v[i].y);
            minim = min(minim, v[i].y);
        } else {
            if (k == 0 || maxim-minim > d[k-1].dimy) {
                d[++k].dimx = -v[i-1].x*2;
                d[k].dimy = maxim - minim;
                maxim = v[i].y;
                minim = v[i].y;
            }
        }
    }
    if (k == 0 || maxim-minim > d[k].dimy) {
        d[++k].dimx = -v[i-1].x * 2;
        d[k].dimy = maxim - minim;
    }

    sp[1] = d[1].dimx * d[1].dimy;
    for (i=2;i<=k;i++)
        sp[i] = d[i].dimx * d[i].dimy + sp[i-1];

    SP[k] = d[k].dimx * d[k].dimy;
    for (i=k-1;i>=1;i--)
        SP[i] = d[i].dimx * d[i].dimy + SP[i+1];

/**
    minx = -d[1].dimx/2;
    maxx = -minx
    miny = -d[k].dimy/2;
    maxy = -miny;
**/
    sol = d[1].dimx * d[k].dimy;

    for (i=1;i<=k;i++)
        sol = min(sol, sp[i-1] + d[i].dimx * d[k].dimy);

    for (i=k;i>=1;i--)
        sol = min(sol, SP[i+1] + d[i].dimy * d[1].dimx);

    cout<<sol;

    return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Incorrect 2 ms 252 KB Output isn't correct
3 Incorrect 2 ms 376 KB Output isn't correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Incorrect 2 ms 376 KB Output isn't correct
7 Incorrect 3 ms 504 KB Output isn't correct
8 Incorrect 4 ms 632 KB Output isn't correct
9 Incorrect 9 ms 1016 KB Output isn't correct
10 Incorrect 14 ms 1528 KB Output isn't correct