제출 #39325

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
39325		14kg	로봇 (IOI13_robots)	C++11	컴파일 에러	0 ms	0 KiB

robots

#include <stdio.h>
#include <stdlib.h>
#include "robots.h"

#define MAX_A 50000
#define MAX_B 50000
#define MAX_T 500000

static int X[MAX_A];
static int Y[MAX_B];
static int W[MAX_T];
static int S[MAX_T];

int main() {
    int A, B, T, i;

	FILE *f = fopen("sample1.in", "r");

	fscanf(f, "%d", &A);
	fscanf(f, "%d", &B);
	fscanf(f, "%d", &T);

	for (i = 0; i < A; i++) fscanf(f, "%d", &X[i]);
	for (i = 0; i < B; i++) fscanf(f, "%d", &Y[i]);
	for (i = 0; i < T; i++) fscanf(f, "%d%d", &W[i], &S[i]);

	int answer = putaway(A, B, T, X, Y, W, S);

	printf("%d\n", answer);

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

robots.cpp: In function 'int main()':
robots.cpp:19:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(f, "%d", &A);
                     ^
robots.cpp:20:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(f, "%d", &B);
                     ^
robots.cpp:21:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(f, "%d", &T);
                     ^
robots.cpp:23:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i = 0; i < A; i++) fscanf(f, "%d", &X[i]);
                                                ^
robots.cpp:24:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i = 0; i < B; i++) fscanf(f, "%d", &Y[i]);
                                                ^
robots.cpp:25:57: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i = 0; i < T; i++) fscanf(f, "%d%d", &W[i], &S[i]);
                                                         ^
/tmp/ccDBlNEu.o: In function `main':
robots.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc85mthr.o:grader.c:(.text.startup+0x0): first defined here
/tmp/cc85mthr.o: In function `main':
grader.c:(.text.startup+0x180): undefined reference to `putaway'
/tmp/ccDBlNEu.o: In function `main':
robots.cpp:(.text.startup+0x133): undefined reference to `putaway'
collect2: error: ld returned 1 exit status