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답안 #12992

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
12992 2015-01-23T16:56:17 Z dohyun0324 마스코트 (JOI13_mascots) C++
100 / 100
 132 ms 142676 KB 
#include<stdio.h>
int x,y,q,n,m,minx=2147483647,miny=2147483647,maxx,maxy;
long long dap=1,d[3010][3010],fact[3010],comb[3010][3010];
int main()
{
    int i,j;
    scanf("%d %d",&n,&m);
    scanf("%d",&q);
    for(i=1;i<=q;i++)
    {
        scanf("%d %d",&x,&y);
        if(minx>x) minx=x;
        if(maxx<x) maxx=x;
        if(miny>y) miny=y;
        if(maxy<y) maxy=y;
    }
    fact[1]=1;
    for(i=2;i<=3000;i++){fact[i]=fact[i-1]*i; fact[i]%=1000000007;}
    for(i=1;i<=(maxx-minx+1)*(maxy-miny+1)-q;i++){dap*=i; dap%=1000000007;}
    x=maxx-minx+1; y=maxy-miny+1;
    comb[0][0]=1;
    for(i=1;i<=3000;i++)
    {
        comb[i][0]=1;
        for(j=1;j<=i;j++)
        {
            comb[i][j]=comb[i-1][j]+comb[i-1][j-1];
            comb[i][j]%=1000000007;
        }
    }
    d[x][y]=1;
    for(i=x;i<=n;i++)
    {
        for(j=y;j<=m;j++)
        {
            if(i>x) d[i][j]+=d[i-1][j]*fact[j];
            if(j>y) d[i][j]+=d[i][j-1]*fact[i];
            d[i][j]%=1000000007;
        }
    }
    dap*=d[n][m]; dap%=1000000007;
    dap*=comb[n-x][minx-1]; dap%=1000000007;
    dap*=comb[m-y][miny-1]; dap%=1000000007;
    printf("%lld",dap);
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 142676 KB Output is correct
2 Correct 24 ms 142676 KB Output is correct
3 Correct 12 ms 142676 KB Output is correct
4 Correct 12 ms 142676 KB Output is correct
5 Correct 24 ms 142676 KB Output is correct
6 Correct 4 ms 142676 KB Output is correct
7 Correct 4 ms 142676 KB Output is correct
8 Correct 0 ms 142676 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 142676 KB Output is correct
2 Correct 20 ms 142676 KB Output is correct
3 Correct 16 ms 142676 KB Output is correct
4 Correct 8 ms 142676 KB Output is correct
5 Correct 20 ms 142676 KB Output is correct
6 Correct 20 ms 142676 KB Output is correct
7 Correct 16 ms 142676 KB Output is correct
8 Correct 24 ms 142676 KB Output is correct
9 Correct 16 ms 142676 KB Output is correct
10 Correct 8 ms 142676 KB Output is correct
11 Correct 8 ms 142676 KB Output is correct
12 Correct 28 ms 142676 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 142676 KB Output is correct
2 Correct 8 ms 142676 KB Output is correct
3 Correct 8 ms 142676 KB Output is correct
4 Correct 36 ms 142676 KB Output is correct
5 Correct 28 ms 142676 KB Output is correct
6 Correct 48 ms 142676 KB Output is correct
7 Correct 20 ms 142676 KB Output is correct
8 Correct 24 ms 142676 KB Output is correct
9 Correct 64 ms 142676 KB Output is correct
10 Correct 88 ms 142676 KB Output is correct
11 Correct 68 ms 142676 KB Output is correct
12 Correct 92 ms 142676 KB Output is correct
13 Correct 12 ms 142676 KB Output is correct
14 Correct 84 ms 142676 KB Output is correct
15 Correct 132 ms 142676 KB Output is correct
16 Correct 64 ms 142676 KB Output is correct
17 Correct 88 ms 142676 KB Output is correct
18 Correct 120 ms 142676 KB Output is correct