結果
| 問題 | No.659 徘徊迷路 |
| コンテスト | |
| ユーザー |
👑 tails
|
| 提出日時 | 2018-03-03 00:14:43 |
| 言語 | C (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 56 ms / 2,000 ms |
| コード長 | 926 bytes |
| 記録 | |
| コンパイル時間 | 496 ms |
| コンパイル使用メモリ | 31,360 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-23 00:39:40 |
| 合計ジャッジ時間 | 1,757 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 5 |
| other | AC * 12 |
コンパイルメッセージ
main.c:1:1: warning: data definition has no type or storage class
1 | r;c;t;
| ^
main.c:1:1: warning: type defaults to 'int' in declaration of 'r' [-Wimplicit-int]
main.c:1:3: warning: data definition has no type or storage class
1 | r;c;t;
| ^
main.c:1:3: warning: type defaults to 'int' in declaration of 'c' [-Wimplicit-int]
main.c:1:5: warning: data definition has no type or storage class
1 | r;c;t;
| ^
main.c:1:5: warning: type defaults to 'int' in declaration of 't' [-Wimplicit-int]
main.c:2:1: warning: data definition has no type or storage class
2 | sy;sx;
| ^~
main.c:2:1: warning: type defaults to 'int' in declaration of 'sy' [-Wimplicit-int]
main.c:2:4: warning: data definition has no type or storage class
2 | sy;sx;
| ^~
main.c:2:4: warning: type defaults to 'int' in declaration of 'sx' [-Wimplicit-int]
main.c:3:1: warning: data definition has no type or storage class
3 | gy;gx;
| ^~
main.c:3:1: warning: type defaults to 'int' in declaration of 'gy' [-Wimplicit-int]
main.c:3:4: warning: data definition has no type or storage class
3 | gy;gx;
| ^~
main.c:3:4: warning: type defaults to 'int' in declaration of 'gx' [-Wimplicit-int]
main.c:7:1: warning: data definition has no type or storage class
7 | y;x;v;u;j;i;
| ^
main.c:7:1: warning: type defaults to 'int' in declaration of 'y' [-Wimplicit-int]
main.c:7:3: warning: data definition has no type or storage class
7 | y;x;v;u;j;i;
| ^
main.c:7:3: warning: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
main.c:7:5: warning: data definition has no type or storage class
7 | y;x;v;u;j;i;
| ^
main.c:7:5: warning: type defaults to 'int' in declaration of 'v' [-Wimplicit-int]
main.c:7:7: warning: data definition has no type or storage class
7 | y;x;v;u;j;i;
| ^
main.c:7:7: warning: type defaults to 'int' in declaration of 'u' [-Wimplicit-int]
main.c:7:9: warning: data defi
ソースコード
r;c;t;
sy;sx;
gy;gx;
char b[10][12];
typedef double mtx[100][100];
mtx m,n,e;
y;x;v;u;j;i;
mul(mtx a){
memcpy(n,m,sizeof n);
for(y=0;y<100;++y){
for(v=0;v<100;++v){
m[y][v]=0;
for(j=0;j<100;++j){
m[y][v]+=n[y][j]*a[j][v];
}
}
}
}
f(l){
if(l>1){
f(l>>1);
mul(n);
}
if(l&1){
mul(e);
}
}
main(){
scanf("%d%d%d ",&r,&c,&t);
scanf("%d%d ",&sy,&sx);
scanf("%d%d ",&gy,&gx);
for(y=0;y<r;++y){
gets(b[y]);
}
for(y=1;y<r-1;++y){
for(x=1;x<c-1;++x){
int k=0;
k+=b[y-1][x]=='.';
k+=b[y+1][x]=='.';
k+=b[y][x-1]=='.';
k+=b[y][x+1]=='.';
if(k){
double p=1./k;
if(b[y-1][x]=='.') e[y*10+x][(y-1)*10+x]=p;
if(b[y+1][x]=='.') e[y*10+x][(y+1)*10+x]=p;
if(b[y][x-1]=='.') e[y*10+x][y*10+(x-1)]=p;
if(b[y][x+1]=='.') e[y*10+x][y*10+(x+1)]=p;
}else{
e[y*10+x][y*10+x]=1;
}
m[y*10+x][y*10+x]=1;
}
}
f(t);
printf("%.9f\n",m[sy*10+sx][gy*10+gx]);
}
tails