제출 #866170

#제출 시각아이디문제언어결과실행 시간메모리
866170lomtaDNA 돌연변이 (IOI21_dna)C++17
0 / 100
24 ms3348 KiB
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; int pref1[N],pref2[N],pref3[N]; void init(string a, string b) { int n=a.size(); pref1[0]=0; for(int i=0;i<n;i++){ pref1[i+1]=pref1[i]; if(a[i]=='A' && b[i]=='T'){ pref1[i+1]++; } if(a[i]=='T' && b[i]=='A'){ pref1[i+1]--; } } pref2[0]=0; for(int i=0;i<n;i++){ pref2[i+1]=pref2[i]; if(a[i]=='T' && b[i]=='C'){ pref2[i+1]++; } if(a[i]=='C' && b[i]=='T'){ pref2[i+1]--; } } pref3[0]=0; for(int i=0;i<n;i++){ pref3[i+1]=pref3[i]; if(a[i]=='C' && b[i]=='A'){ pref3[i+1]++; } if(a[i]=='A' && b[i]=='C'){ pref3[i+1]--; } } } int get_distance(int x, int y) { x++; y++; x--; int a1=pref1[y]-pref1[x]; int b1=pref2[y]-pref2[x]; int c1=pref3[y]-pref3[x]; if(a1==b1 || b1==c1 || c1==a1){ int sz=y-x; return (sz-abs(a1)-abs(b1)-abs(c1))/2+(abs(a1)+abs(b1)+abs(c1))/3*2; } return -1; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...