제출 #438928

#제출 시각아이디문제언어결과실행 시간메모리
438928DanerZeinDNA 돌연변이 (IOI21_dna)C++17
100 / 100
64 ms12056 KiB
#include "dna.h" #include <bits/stdc++.h> using namespace std; const int MAX=1e9; const int MAX_N=1e5+10; int na[MAX_N][4],nb[MAX_N][4]; int gda[MAX_N][4],gdc[MAX_N][4],gdt[MAX_N][4]; int dif[MAX_N]; vector<int> da(3),dc(3),dt(3); int n; void init(std::string a, std::string b) { memset(na,0,sizeof na); memset(nb,0,sizeof nb); memset(gda,0,sizeof gda); memset(gdc,0,sizeof gdc); memset(gdt,0,sizeof gdt); memset(dif,0,sizeof dif); n=a.size(); for(int i=0;i<n;i++){ if(i!=0){ for(int j=0;j<3;j++) na[i][j]=na[i-1][j]; for(int j=0;j<3;j++) nb[i][j]=nb[i-1][j]; } if(a[i]=='A') na[i][0]++; if(a[i]=='C') na[i][1]++; if(a[i]=='T') na[i][2]++; if(b[i]=='A') nb[i][0]++; if(b[i]=='C') nb[i][1]++; if(b[i]=='T') nb[i][2]++; } for(int i=0;i<n;i++){ if(i!=0){ dif[i]=dif[i-1]; for(int j=0;j<3;j++) gda[i][j]=gda[i-1][j]; for(int j=0;j<3;j++) gdc[i][j]=gdc[i-1][j]; for(int j=0;j<3;j++) gdt[i][j]=gdt[i-1][j]; } if(a[i]!=b[i]) dif[i]++; int id=0; if(a[i]=='A') id=0; if(a[i]=='C') id=1; if(a[i]=='T') id=2; if(b[i]=='A') gda[i][id]++; if(b[i]=='C') gdc[i][id]++; if(b[i]=='T') gdt[i][id]++; } } int get_distance(int x, int y) { int aa,ac,at,ba,bc,bt,c; if(x==0){ aa=na[y][0]; ac=na[y][1]; at=na[y][2]; ba=nb[y][0]; bc=nb[y][1]; bt=nb[y][2]; da[0]=gda[y][0]; da[1]=gda[y][1]; da[2]=gda[y][2]; dc[0]=gdc[y][0]; dc[1]=gdc[y][1]; dc[2]=gdc[y][2]; dt[0]=gdt[y][0]; dt[1]=gdt[y][1]; dt[2]=gdt[y][2]; c=dif[y]; } else{ aa=na[y][0]-na[x-1][0]; ac=na[y][1]-na[x-1][1]; at=na[y][2]-na[x-1][2]; ba=nb[y][0]-nb[x-1][0]; bc=nb[y][1]-nb[x-1][1]; bt=nb[y][2]-nb[x-1][2]; da[0]=gda[y][0]-gda[x-1][0]; da[1]=gda[y][1]-gda[x-1][1]; da[2]=gda[y][2]-gda[x-1][2]; dc[0]=gdc[y][0]-gdc[x-1][0]; dc[1]=gdc[y][1]-gdc[x-1][1]; dc[2]=gdc[y][2]-gdc[x-1][2]; dt[0]=gdt[y][0]-gdt[x-1][0]; dt[1]=gdt[y][1]-gdt[x-1][1]; dt[2]=gdt[y][2]-gdt[x-1][2]; c=dif[y]-dif[x-1]; } if(aa!=ba || ac!=bc || at!=bt) return -1; int res=MAX; int rp,d=(y-x)+1; rp=0; for(int i=0;i<3;i++){ if(dc[i]==0) continue; int mi; if(i==0){ mi=min(dc[i],da[1]); dc[i]-=mi; da[1]-=mi; rp+=mi; c-=mi*2; } if(i==2){ mi=min(dc[i],dt[1]); dc[i]-=mi; dt[1]-=mi; rp+=mi; c-=mi*2; } } for(int i=0;i<3;i++){ if(dc[i]==0) continue; if(i==0){ rp+=dc[i]; c-=dc[i]; dt[0]+=dc[i]; dc[i]=0; } if(i==2){ rp+=dc[i]; c-=dc[i]; da[2]+=dc[i]; dc[i]=0; } } rp+=c/2; return rp; }

컴파일 시 표준 에러 (stderr) 메시지

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:69:7: warning: unused variable 'res' [-Wunused-variable]
   69 |   int res=MAX;
      |       ^~~
dna.cpp:70:10: warning: unused variable 'd' [-Wunused-variable]
   70 |   int rp,d=(y-x)+1;
      |          ^
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