Submission #28135

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
28135	2017-07-15T12:05:06 Z	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(#1199, suhgyuho_william)	The Ant and The Bitcoin (FXCUP2_ant)	C++14	1 / 1	56 ms	5928 KB

ant

#include <bits/stdc++.h>
#include <unistd.h>

#define pii pair<int,int>
#define pll pair<lld,lld>
#define pb push_back
#define lld long long

using namespace std;

lld N,where; lld L,T;
struct data{
	lld x;
	lld num;
	char s[3];
}a[100002];
lld memo[100002],tmp[100002];

lld change(lld value,char op){
	lld i=0; a[i].x = value;
	if(op == 'L'){
		if(T <= a[i].x) a[i].x -= T;
		else if(T <= a[i].x+L) a[i].x = T-a[i].x;
		else a[i].x = a[i].x+L*2-T;
	}else{
		if(T <= L-a[i].x) a[i].x += T;
		else if(T <= L*2-a[i].x) a[i].x = -a[i].x + L*2 - T;
		else a[i].x = T-(L*2-a[i].x);
	}
	return a[i].x;
}

int main(){
	scanf("%lld %lld %lld",&N,&L,&T);
	T %= (L*2);
	for(lld i=1; i<=N; i++){
		scanf("%lld %s",&a[i].x,&a[i].s);
		a[i].num = i;
	}
	sort(a+1,a+N+1,[&](data &x,data &y){
		return x.x < y.x;
	});
	scanf("%lld",&where);
	for(lld i=1; i<=N; i++){
		if(a[i].num == where){
			where = i;
			break;
		}
	}
	for(lld i=1; i<=N; i++){
		memo[i] = a[i].num; a[i].num = i;
		a[i].x = change(a[i].x,a[i].s[0]);
		//printf("%lld %lld\n",a[i].x,memo[i]);
	}
	sort(a+1,a+N+1,[&](data &x,data &y){
		return x.x < y.x;
	});
	for(lld i=1; i<=N; i++){
		if(a[i].num == where){
			where = i;
			break;
		}
	}
	//printf("%lld\n",where);
	for(lld i=1; i<=N; i++) tmp[memo[i]] = i;
	where = memo[where];
	printf("%lld\n",where);

	return 0;
}	

Compilation message

ant.cpp: In function 'int main()':
ant.cpp:37:34: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[3]' [-Wformat=]
   scanf("%lld %s",&a[i].x,&a[i].s);
                                  ^
ant.cpp:34:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&N,&L,&T);
                                  ^
ant.cpp:37:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %s",&a[i].x,&a[i].s);
                                   ^
ant.cpp:43:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&where);
                      ^

Subtask #1

1.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	5928 KB	Output is correct
2	Correct	0 ms	5928 KB	Output is correct
3	Correct	0 ms	5928 KB	Output is correct
4	Correct	0 ms	5928 KB	Output is correct
5	Correct	0 ms	5928 KB	Output is correct
6	Correct	0 ms	5928 KB	Output is correct
7	Correct	0 ms	5928 KB	Output is correct
8	Correct	0 ms	5928 KB	Output is correct
9	Correct	0 ms	5928 KB	Output is correct
10	Correct	0 ms	5928 KB	Output is correct
11	Correct	0 ms	5928 KB	Output is correct
12	Correct	0 ms	5928 KB	Output is correct
13	Correct	39 ms	5928 KB	Output is correct
14	Correct	46 ms	5928 KB	Output is correct
15	Correct	23 ms	5928 KB	Output is correct
16	Correct	46 ms	5928 KB	Output is correct
17	Correct	39 ms	5928 KB	Output is correct
18	Correct	39 ms	5928 KB	Output is correct
19	Correct	39 ms	5928 KB	Output is correct
20	Correct	56 ms	5928 KB	Output is correct