Submission #7407432
Source Code Expand
#include<bits/stdc++.h> using namespace std; string s[9]; int a[9][9],b[10],c[20],d[20],n=8; bool flag; inline void dfs(int k) { if(flag) return ; if(k==9) { if(flag) return ; for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) if(a[i][j]==1) printf("Q"); else printf("."); printf("\n"); } flag=true; return ; } if(!a[k][0]) { for(int i=1;i<=n;i++) if(!b[i]&&!c[i+k]&&!d[k-i+10]) { if(flag) return ; b[i]++; c[i+k]++; d[k-i+10]++; a[k][i]=1; dfs(k+1); if(flag) return ; b[i]--; c[i+k]--; d[k-i+10]--; a[k][i]=0; if(flag) return ; } } else dfs(k+1); if(flag) return ; } inline int read() { int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9') { if(ch=='-') w=-1; ch=getchar(); } while(ch>='0'&&ch<='9') { s=s*10+ch-'0'; ch=getchar(); } return s*w; } inline void write(int x) { if(x<0) { putchar('-'); x=-x; } if(x>9) write(x/10); putchar(x%10+'0'); return ; } int main() { //freopen(".in","r",stdin); //freopen(".out","w",stdout); for(int i=1;i<=n;i++) cin>>s[i]; for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) if(s[i][j-1]=='Q') { a[i][j]=1; a[i][0]=1; b[j]++; c[i+j]++; d[i-j+10]++; if(b[j]==2||c[i+j]==2||d[i-j+10]==2) { printf("No Answer\n"); return 0; } } dfs(1); if(!flag) printf("No Answer"); printf("\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - パズルのお手伝い |
User | luogu_bot2 |
Language | C++ (GCC 5.4.1) |
Score | 100 |
Code Size | 1796 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | 00_sample1.txt, 00_sample2.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 01_rnd_20.txt, 01_rnd_21.txt, 01_rnd_22.txt, 01_rnd_23.txt, 01_rnd_24.txt, 01_rnd_25.txt, 01_rnd_26.txt, 01_rnd_27.txt, 01_rnd_28.txt, 01_rnd_29.txt, 01_rnd_30.txt, 01_rnd_31.txt, 01_rnd_32.txt, 01_rnd_33.txt, 01_rnd_34.txt, 01_rnd_35.txt, 01_rnd_36.txt, 01_rnd_37.txt, 01_rnd_38.txt, 01_rnd_39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample1.txt | AC | 1 ms | 256 KB |
00_sample2.txt | AC | 1 ms | 256 KB |
01_rnd_00.txt | AC | 1 ms | 256 KB |
01_rnd_01.txt | AC | 1 ms | 256 KB |
01_rnd_02.txt | AC | 1 ms | 256 KB |
01_rnd_03.txt | AC | 1 ms | 256 KB |
01_rnd_04.txt | AC | 1 ms | 256 KB |
01_rnd_05.txt | AC | 1 ms | 256 KB |
01_rnd_06.txt | AC | 1 ms | 256 KB |
01_rnd_07.txt | AC | 1 ms | 256 KB |
01_rnd_08.txt | AC | 1 ms | 256 KB |
01_rnd_09.txt | AC | 1 ms | 256 KB |
01_rnd_10.txt | AC | 1 ms | 256 KB |
01_rnd_11.txt | AC | 1 ms | 256 KB |
01_rnd_12.txt | AC | 1 ms | 256 KB |
01_rnd_13.txt | AC | 1 ms | 256 KB |
01_rnd_14.txt | AC | 1 ms | 256 KB |
01_rnd_15.txt | AC | 1 ms | 256 KB |
01_rnd_16.txt | AC | 1 ms | 256 KB |
01_rnd_17.txt | AC | 1 ms | 256 KB |
01_rnd_18.txt | AC | 1 ms | 256 KB |
01_rnd_19.txt | AC | 1 ms | 256 KB |
01_rnd_20.txt | AC | 1 ms | 256 KB |
01_rnd_21.txt | AC | 1 ms | 256 KB |
01_rnd_22.txt | AC | 1 ms | 256 KB |
01_rnd_23.txt | AC | 1 ms | 256 KB |
01_rnd_24.txt | AC | 1 ms | 256 KB |
01_rnd_25.txt | AC | 1 ms | 256 KB |
01_rnd_26.txt | AC | 1 ms | 256 KB |
01_rnd_27.txt | AC | 1 ms | 256 KB |
01_rnd_28.txt | AC | 1 ms | 256 KB |
01_rnd_29.txt | AC | 1 ms | 256 KB |
01_rnd_30.txt | AC | 1 ms | 256 KB |
01_rnd_31.txt | AC | 1 ms | 256 KB |
01_rnd_32.txt | AC | 1 ms | 256 KB |
01_rnd_33.txt | AC | 1 ms | 256 KB |
01_rnd_34.txt | AC | 1 ms | 256 KB |
01_rnd_35.txt | AC | 1 ms | 256 KB |
01_rnd_36.txt | AC | 1 ms | 256 KB |
01_rnd_37.txt | AC | 1 ms | 256 KB |
01_rnd_38.txt | AC | 1 ms | 256 KB |
01_rnd_39.txt | AC | 1 ms | 256 KB |