Submission #28112

#TimeUsernameProblemLanguageResultExecution timeMemory
28112aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa (#71)The Ant and The Bitcoin (FXCUP2_ant)C++14
0 / 1
0 ms3580 KiB
#include <bits/stdc++.h> #include <unistd.h> #define pii pair<int,int> #define pb push_back #define lld long long using namespace std; int N; lld L,T; struct data{ lld x; int num; }a[100002]; int main(){ scanf("%d %lld %lld",&N,&L,&T); T %= (L*2); for(int i=1; i<=N; i++){ char s[10]; scanf("%lld %s",&a[i].x,s); a[i].num = i; if(s[0] == '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); } } sort(a+1,a+N+1,[&](data &x,data &y){ return x.x < y.x; }); int where; scanf("%d",&where); for(int i=1; i<=N; i++){ if(a[i].num == where){ printf("%d\n",i); break; } } return 0; }

Compilation message (stderr)

ant.cpp: In function 'int main()':
ant.cpp:17:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %lld %lld",&N,&L,&T);
                                ^
ant.cpp:21:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %s",&a[i].x,s);
                             ^
ant.cpp:37:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&where);
                    ^
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