Submission #788818

#TimeUsernameProblemLanguageResultExecution timeMemory
788818samuelmaj2008Mutating DNA (IOI21_dna)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(a,b) for(int a = 0; a < (b); ++a) #define pb push_back #define all(t) t.begin(), t.end() int n = 0; const int max_N = 1e5+5; int A[max_N]; int B[max_N]; int S[max_N][3][3]; int V[max_N][2][3]; void init(string a, string b) { n = a.size(); rep(i,n) { if (a[i] == 'A') A[i] = 0; else if (a[i] == 'T') A[i] = 1; else A[i] = 2; } rep(i,n) { if (b[i] == 'A') B[i] = 0; else if (b[i] == 'T') B[i] = 1; else B[i] = 2; } for (int i = 1; i < n; ++i) { if (i > 0) rep(j,3) rep(k,3) S[i][j][k] = S[i-1][j][k]; ++S[i][A[i]][B[i]]; } for (int i = 0; i < n; ++i) { if (i > 0) rep(j,2) rep(k,3) V[i][j][k] = V[i-1][j][k]; ++V[i][0][A[i]], ++V[i][1][B[i]]; } } inline int odl_S(int l, int p, int x1, int x2) { if (l == 0) return S[p][x1][x2]; return S[p][x1][x2] - S[l-1][x1][x2]; } inline int odl_V(int l, int p, int idx, int val) { if (l == 0) return V[p][idx][val]; return V[p][idx][val] - V[l-1][idx][val]; } int get_distance(int x, int y) { if (odl_V(x,y,0,0) != odl_V(x,y,1,0) or odl_V(x,y,0,1) != odl_V(x,y,1,1) or odl_V(x,y,0,2) != odl_V(x,y,1,2)) return -1; int wyn = y - x; rep(i,3) for (int j = i; j < 3; ++j) wyn -= min(odl_S(x,y,i,j),odl_S(x,y,i,j)) return wyn; }

Compilation message (stderr)

dna.cpp: In function 'int get_distance(int, int)':
dna.cpp:67:54: error: expected ';' before 'return'
   67 |             wyn -= min(odl_S(x,y,i,j),odl_S(x,y,i,j))
      |                                                      ^
      |                                                      ;
   68 |     return wyn;
      |     ~~~~~~                                            
dna.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type]
   69 | }
      | ^