제출 #512692

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
512692		lovro_nidogon1	Languages (IOI10_languages)	C++14	컴파일 에러	0 ms	0 KiB

lang

#include<bits/stdc++.h>
#define ll long long
#include "lang.h"
#include "grader.h"
using namespace std;
ll freq[56][70001], nocur[56], spac, cfreq[70001];
ll sq(ll x, ll y) {return (x + y) * (x + y);}
void excerpt(int *e) {
	memset(cfreq, 0, sizeof(cfreq));
	 for(ll i = 0; i < 100; i++) cfreq[e[i]]++;
	 ll exp = 0;
	 ll sd = 1e9;
	 for(ll i = 0; i < 56; i++) {
	 	 ll csd = 0;	 	
		 for(ll j = 0; j < 100; j++) {
	 		csd += sq(cfreq[e[j]] * nocur[i], -freq[i][e[j]]); 		
		 }		  	
		 if(csd < sd) sd = csd, exp = i;
	 }
	 ll ca = language(rand(0, 56));
	 for(ll i = 0; i < 65536; i++) freq[ca][i] += cfreq[i];
	 nocur[ca]++;
}

컴파일 시 표준 에러 (stderr) 메시지

lang.cpp: In function 'void excerpt(int*)':
lang.cpp:20:30: error: too many arguments to function 'int rand()'
   20 |   ll ca = language(rand(0, 56));
      |                              ^
In file included from /usr/include/c++/10/bits/std_abs.h:38,
                 from /usr/include/c++/10/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from lang.cpp:1:
/usr/include/stdlib.h:453:12: note: declared here
  453 | extern int rand (void) __THROW;
      |            ^~~~