oj.uz

Submission #74354

# Submission time Handle Problem Language Result Execution time Memory
74354 2018-08-31T11:01:37 Z khsoo01 The Ant and The Bitcoin (FXCUP2_ant) C++11
1 / 1
 50 ms 12220 KB 
#include<bits/stdc++.h>
#define X first
#define Y second
using namespace std;
typedef long long ll;
ll n, l, t, x, d[100005];
pair<ll, ll> a[100005];
 
bool f[100005];
 
int main()
{
	scanf("%lld%lld%lld",&n,&l,&t);
	for(ll i=1;i<=n;i++) {
		char T[2]; a[i].Y = i;
		scanf("%lld%s",&a[i].X,T);
		if(T[0] == 'L') f[i] = true;
	}
	scanf("%lld",&x);
	sort(a+1, a+1+n);
	for(ll i=1;i<=n;i++) {
		d[i] = a[i].Y;
		a[i].Y = (d[i] == x);
		if(f[d[i]]) a[i].X -= t;
		else a[i].X += t;
		a[i].X = (a[i].X % (2*l) + 2*l) % (2*l);
		if(a[i].X >= l) a[i].X = 2*l - a[i].X;
	}
	sort(a+1, a+1+n);
	for(ll i=1;i<=n;i++) {
		if(a[i].Y) {printf("%lld\n",d[i]); return 0;}
	}
}

Compilation message

ant.cpp: In function 'int main()':
ant.cpp:13:7: 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:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%s",&a[i].X,T);
   ~~~~~^~~~~~~~~~~~~~~~~~~~
ant.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&x);
  ~~~~~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 416 KB Output is correct
4 Correct 2 ms 420 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 3 ms 428 KB Output is correct
7 Correct 3 ms 460 KB Output is correct
8 Correct 3 ms 624 KB Output is correct
9 Correct 3 ms 624 KB Output is correct
10 Correct 3 ms 636 KB Output is correct
11 Correct 2 ms 680 KB Output is correct
12 Correct 3 ms 696 KB Output is correct
13 Correct 50 ms 4180 KB Output is correct
14 Correct 44 ms 5360 KB Output is correct
15 Correct 38 ms 5936 KB Output is correct
16 Correct 48 ms 7504 KB Output is correct
17 Correct 48 ms 8740 KB Output is correct
18 Correct 48 ms 9780 KB Output is correct
19 Correct 45 ms 11052 KB Output is correct
20 Correct 48 ms 12220 KB Output is correct