Submission #1574103
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define mp make_pair #define f first #define s second int pos[100001]; int ed[100001]; int ed1[100001]; int r[100001]; ll a[100001]; ll b[100001]; int main(){ int i,j; int n; cin>>n; pair<ll,int> c[n+1]; pair<ll,int> d[n+1]; ll xo=0; int dis=0; int in=0; int o=0; for(i=1;i<=n;i++) cin>>a[i]; for(i=1;i<=n;i++) cin>>b[i]; for(i=1;i<=n;i++) { xo=xo^a[i]; if(a[i]==b[i]){ pos[i]=1; o++; } c[i].f=a[i]; c[i].s=i; d[i].f=b[i]; d[i].s=i; } sort(c+1,c+n+1); sort(d+1,d+n+1); int in2=1; int yy=0; for(i=1;i<=n;i++){ if(in2>n) break; if(c[i].f==d[in2].f){ int g,h; g=c[i].s; h=d[in2].s; if(pos[g]||pos[h]){ if(pos[g]) if(pos[h]) {in2++; if(pos[g]==0) i--;} continue; } yy++; in2++; ed[g]=h; ed1[h]=g; } else{ if(d[in2].f>c[i].f) continue; else { in2++; i--; } } } dis=o+yy; dis=n-dis; int in1=0; for(i=1;i<=n;i++){ if(pos[i]) continue; if(ed1[i]==0) in=i; if(ed[i]==0) in1=i; } if(dis>=2||((dis==1)&&(xo!=b[in]))){ cout<<-1<<endl; return 0; } int ans=0; ed[in1]=in; for(i=1;i<=n;i++){ if(pos[i]==1) continue; if(r[i]==0){ int fl=1; int ss=0; while(r[i]==0){ r[i]=1; if(i==in1) fl=0; if(a[i]==xo) fl=0; i=ed[i]; ss++; } ans=ans+fl+ss; } } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - XOR Replace |
User | adam1007 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1844 Byte |
Status | WA |
Exec Time | 101 ms |
Memory | 6144 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 1 ms | 256 KB |
1_07.txt | AC | 62 ms | 5376 KB |
1_08.txt | AC | 69 ms | 6144 KB |
1_09.txt | AC | 62 ms | 6144 KB |
1_10.txt | WA | 72 ms | 5760 KB |
1_11.txt | AC | 71 ms | 5888 KB |
1_12.txt | WA | 74 ms | 5760 KB |
1_13.txt | WA | 75 ms | 5888 KB |
1_14.txt | WA | 93 ms | 5888 KB |
1_15.txt | AC | 91 ms | 5888 KB |
1_16.txt | WA | 93 ms | 5888 KB |
1_17.txt | AC | 92 ms | 5888 KB |
1_18.txt | WA | 97 ms | 5888 KB |
1_19.txt | AC | 97 ms | 5888 KB |
1_20.txt | WA | 95 ms | 5888 KB |
1_21.txt | AC | 97 ms | 5888 KB |
1_22.txt | WA | 98 ms | 6016 KB |
1_23.txt | AC | 98 ms | 6016 KB |
1_24.txt | WA | 98 ms | 6016 KB |
1_25.txt | AC | 99 ms | 6144 KB |
1_26.txt | WA | 96 ms | 5888 KB |
1_27.txt | AC | 98 ms | 6016 KB |
1_28.txt | WA | 98 ms | 6016 KB |
1_29.txt | AC | 98 ms | 6016 KB |
1_30.txt | WA | 97 ms | 5760 KB |
1_31.txt | AC | 97 ms | 5760 KB |
1_32.txt | WA | 98 ms | 5888 KB |
1_33.txt | AC | 98 ms | 5888 KB |
1_34.txt | WA | 101 ms | 5632 KB |
1_35.txt | AC | 98 ms | 5760 KB |
1_36.txt | WA | 95 ms | 5504 KB |
1_37.txt | AC | 100 ms | 5632 KB |
1_38.txt | WA | 97 ms | 5760 KB |
1_39.txt | AC | 97 ms | 5760 KB |
1_40.txt | WA | 96 ms | 5632 KB |
1_41.txt | AC | 97 ms | 5760 KB |
1_42.txt | WA | 96 ms | 6016 KB |
1_43.txt | AC | 96 ms | 5760 KB |
1_44.txt | WA | 98 ms | 6144 KB |
1_45.txt | AC | 96 ms | 5760 KB |
1_46.txt | WA | 97 ms | 6144 KB |
1_47.txt | AC | 94 ms | 5632 KB |
1_48.txt | WA | 97 ms | 6144 KB |
1_49.txt | AC | 95 ms | 5632 KB |
1_50.txt | WA | 97 ms | 6016 KB |
1_51.txt | AC | 91 ms | 5504 KB |
1_52.txt | WA | 97 ms | 6144 KB |
1_53.txt | AC | 95 ms | 5632 KB |
1_54.txt | WA | 96 ms | 6016 KB |
1_55.txt | AC | 92 ms | 5504 KB |
1_56.txt | WA | 97 ms | 6144 KB |
1_57.txt | AC | 95 ms | 5760 KB |
1_58.txt | WA | 97 ms | 6144 KB |
1_59.txt | AC | 95 ms | 5760 KB |
1_60.txt | WA | 97 ms | 6144 KB |
1_61.txt | AC | 95 ms | 5632 KB |
1_62.txt | WA | 97 ms | 6144 KB |
1_63.txt | AC | 91 ms | 5504 KB |
1_64.txt | WA | 96 ms | 6016 KB |
1_65.txt | AC | 94 ms | 5632 KB |
1_66.txt | WA | 96 ms | 6016 KB |
1_67.txt | AC | 94 ms | 5632 KB |
1_68.txt | AC | 97 ms | 6144 KB |
1_69.txt | AC | 95 ms | 5760 KB |