Submission #28127

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
28127	2017-07-15 11:41:51	Shocking Hot (#71)	The Ant and The Bitcoin (FXCUP2_ant)	C++14	1 / 1	46 ms	4460 KiB

ant

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#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++) {
 
 
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Compilation message (stderr)

ant.cpp: In function 'int main()':
ant.cpp:13:32: 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:16:28: 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:19:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&x);
                  ^

• Subtask 1: 1 / 1