제출 #28169

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
28169		IE (#71)	개미와 비트코인 (FXCUP2_ant)	C++98	0 / 1	0 ms	2680 KiB

ant

#include <stdio.h>
#include <algorithm>
using namespace std;

int N; long long T,L,V,O[100100],A[100100];

int main()
{
	scanf ("%d %lld %lld",&N,&L,&T);

	for (int i=0;i<N;i++){
		long long x; char S[5];
		scanf ("%lld %s",&x,S);
		O[i] = x;
		if (S[0] == 'L') x = 2 * L - x;
		x = (x + T) % (2 * L);
		if (x >= L) x = 2 * L - x;
		A[i] = x;
	}

	scanf ("%d",&V);
	long long g = O[V-1];
	sort(O,O+N);

	sort(A,A+N);
	long long f = A[lower_bound(O,O+N,g)-O];
	int a = lower_bound(A,A+N,f) - A;
	printf ("%lld\n",a+1);

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

ant.cpp: In function 'int main()':
ant.cpp:21:16: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
  scanf ("%d",&V);
                ^
ant.cpp:28:22: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
  printf ("%lld\n",a+1);
                      ^
ant.cpp:9:33: 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:13:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%lld %s",&x,S);
                         ^
ant.cpp:21:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d",&V);
                 ^

• Subtask 1: 0 / 1