Submission #758115

#	Time	Username	Problem	Language	Result	Execution time	Memory
758115		KN200711	Mobitel (COCI14_mobitel)	C++14	50 / 50	1 ms	316 KiB

mobitel

# include <bits/stdc++.h>
# define ll long long
using namespace std;

int pos[10];

int val(char a) {
	int x = a - 'a';
	x /= 3;
	x += 2;
	if(a == 'p' || a == 'q' || a == 'r' || a == 's') return 7;
	if(a == 't' || a == 'u' || a == 'v') return 8;
	if(a == 'w' || a == 'x' || a == 'y' || a == 'z') return 9;
	return x;	
}

int ch(char a) {
	int x = a - 'a';
//	cout<<x<<endl;
	x %= 3;
	x++;
	if(a == 'p' || a == 't' || a == 'w') return 1;
	if(a == 'q' || a == 'u' || a == 'x') return 2;
	if(a == 'r' || a == 'v' || a == 'y') return 3;
	if(a == 's' || a == 'z') return 4;
	return x;	
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	for(int i=1;i<=9;i++) {
		int a;
		cin>>a;
		pos[a] = i;
	}
	
	string S;
	cin>>S;
	
	for(int i=0;i<S.length();i++) {
		if(i > 0 && val(S[i - 1]) == val(S[i])) {
			cout<<"#";
		}
		for(int d=0;d<ch(S[i]);d++) cout<<pos[val(S[i])];
	}
}

Compilation message (stderr)

mobitel.cpp: In function 'int main()':
mobitel.cpp:42:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for(int i=0;i<S.length();i++) {
      |              ~^~~~~~~~~~~

• Subtask 1: 50 / 50