Submission #933886

#	Time	Username	Problem	Language	Result	Execution time	Memory
933886		Nika533	Mutating DNA (IOI21_dna)	C++17	100 / 100	32 ms	9644 KiB

dna

#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#include "dna.h"
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;
const int N=1e5+5;
int n,m,T,k;
int A[N][3],B[N][3],C[N][3][3]; 
void init(std::string a, std::string b) {
	n=a.size(); a=" "+a; b=" "+b;
	for (int i=1; i<=n; i++) {
		if (a[i]=='T') a[i]='B';
		if (b[i]=='T') b[i]='B';
		int ia=a[i]-'A',ib=b[i]-'A';
		for (char c='A'; c<='C'; c++) {
			int ic=c-'A';
			A[i][ic]=A[i-1][ic]+(a[i]==c);
			B[i][ic]=B[i-1][ic]+(b[i]==c);
		}
		for (int x=0; x<3; x++) {
			for (int y=0; y<3; y++) {
				C[i][x][y]=C[i-1][x][y];
			}
		}
		C[i][ia][ib]++;
	}

}

int get_distance(int x, int y) {
	x++; y++;
	int AA[3],BB[3],CC[3][3];
	for (int i=0; i<3; i++) {
		AA[i]=A[y][i]-A[x-1][i];
		BB[i]=B[y][i]-B[x-1][i];
		if (AA[i]!=BB[i]) return -1;
		for (int j=0; j<3; j++) {
			CC[i][j]=C[y][i][j]-C[x-1][i][j];
		}
	}
	int AB=min(CC[0][1],CC[1][0]);
	CC[0][1]-=AB;
	CC[1][0]-=AB;
	int AC=min(CC[0][2],CC[2][0]);
	CC[0][2]-=AC;
	CC[2][0]-=AC;
	int BC=min(CC[1][2],CC[2][1]);
	CC[1][2]-=BC;
	CC[2][1]-=BC;
	int cnt=0;
	for (int i=0; i<3; i++) {
		for (int j=0; j<3; j++) {
			if (i==j) continue;
			cnt+=CC[i][j];
		}
	}
	cnt/=3; cnt*=2;
	return AB+AC+BC+cnt;
}

Compilation message (stderr)

dna.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
    1 | #pragma GCC diagnostic warning "-std=c++11"
      |                                ^~~~~~~~~~~~

• Subtask 1: 21 / 21
• Subtask 2: 22 / 22
• Subtask 3: 13 / 13
• Subtask 4: 28 / 28
• Subtask 5: 16 / 16