제출 #443300

#제출 시각아이디문제언어결과실행 시간메모리
443300benedict0724DNA 돌연변이 (IOI21_dna)C++17
100 / 100
48 ms9728 KiB
#include "dna.h" #include <bits/stdc++.h> using namespace std; int f(char c) { if(c == 'A') return 0; if(c == 'T') return 1; if(c == 'C') return 2; } int A[100002][3], B[100002][3]; int Ch[100002][3][3]; void init(std::string a, std::string b) { int n = a.size(); for(int i=0;i<n;i++) { A[i][f(a[i])]++; B[i][f(b[i])]++; Ch[i][f(a[i])][f(b[i])]++; } for(int i=1;i<n;i++) { for(int j=0;j<3;j++) { A[i][j]+=A[i-1][j]; B[i][j]+=B[i-1][j]; for(int k=0;k<3;k++) Ch[i][j][k]+=Ch[i-1][j][k]; } } } int get_distance(int x, int y) { int ans = 0; for(int i=0;i<3;i++) { if(A[y][i] - (x==0?0:A[x-1][i]) != B[y][i] - (x==0?0:B[x-1][i])) return -1; } int AT = Ch[y][0][1] - (x==0?0:Ch[x-1][0][1]); int AC = Ch[y][0][2] - (x==0?0:Ch[x-1][0][2]); int TA = Ch[y][1][0] - (x==0?0:Ch[x-1][1][0]); int TC = Ch[y][1][2] - (x==0?0:Ch[x-1][1][2]); int CA = Ch[y][2][0] - (x==0?0:Ch[x-1][2][0]); int CT = Ch[y][2][1] - (x==0?0:Ch[x-1][2][1]); int mAT = min(AT, TA), mAC = min(AC, CA), mTC = min(TC, CT); ans += mAT + mAC + mTC; ans += (max(AT, TA) - mAT)*2; return ans; }

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp: In function 'int f(char)':
dna.cpp:11:1: warning: control reaches end of non-void function [-Wreturn-type]
   11 | }
      | ^
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