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Submission #98651

# Submission time Handle Problem Language Result Execution time Memory
98651 2019-02-25T02:37:08 Z duy_tran Topovi (COCI15_topovi) C++14
120 / 120
 1799 ms 33668 KB 
#include<bits/stdc++.h>
using namespace std;

int k,p;
long long n,safe;
map<pair<int,int>,int> val;
map<int,int> rowv,colv,nrow,ncol;

void Move(int r,int c)
{
    int x=val[{r,c}];

    int vr=rowv[r];
    int vc=colv[c];

    int nr=nrow[vc];
    int nc=ncol[vr];

    safe-=nc;
    safe-=nr;

    if(ncol[vc])--ncol[vc];
    if(nrow[vr])--nrow[vr];

    if(vr==vc)++safe;

    vr^=x;
    vc^=x;

    rowv[r]=vr;
    colv[c]=vc;

    ++ncol[vc];
    ++nrow[vr];

    safe+=nrow[vc];
    safe+=ncol[vr];

    if(vc==vr && safe)--safe;
}

int main()
{
    cin>>n>>k>>p;

    safe=n*n;

    ncol[0]=n;
    nrow[0]=n;

    for(int i=1;i<=k;++i)
    {
        int r,c,x;
        cin>>r>>c>>x;

        val[{r,c}]=x;

        Move(r,c);
    }

    for(int i=1;i<=p;++i)
    {
        int r1,c1,r2,c2;
        cin>>r1>>c1>>r2>>c2;



        Move(r1,c1);
        val[{r2,c2}]=val[{r1,c1}];
        val[{r1,c1}]=0;
        Move(r2,c2);

        cout<<n*n-safe<<'\n';
    }
}

Subtask #1
120.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 214 ms 5452 KB Output is correct
7 Correct 154 ms 4724 KB Output is correct
8 Correct 118 ms 3960 KB Output is correct
9 Correct 123 ms 3960 KB Output is correct
10 Correct 138 ms 4204 KB Output is correct
11 Correct 1773 ms 33668 KB Output is correct
12 Correct 1799 ms 33532 KB Output is correct
13 Correct 1685 ms 33468 KB Output is correct
14 Correct 1704 ms 33500 KB Output is correct
15 Correct 1634 ms 33596 KB Output is correct
16 Correct 1639 ms 33620 KB Output is correct
17 Correct 1714 ms 33588 KB Output is correct
18 Correct 1650 ms 33656 KB Output is correct
19 Correct 1684 ms 33632 KB Output is correct
20 Correct 1614 ms 33544 KB Output is correct