답안 #922967

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
922967 2024-02-06T11:18:07 Z allin27x 곤돌라 (IOI14_gondola) C++17
컴파일 오류
0 ms 0 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int mod = 1e9+7;
#include "gondola.h"

signed valid(signed n, signed S[]){
	set<int> s; for(int i=0; i<n; i++) s.insert(S[i]); if (s.size()<n) return 0;
	int ind = -1;
	for (int i=0; i<n; i++) if (S[i] <= n) {ind = i; break;}
	if (ind == -1) return 1;
	int t = S[ind];
	for (int i=ind+1; i!=ind; i++, i%=n){
		t++; if (t==n+1) t = 1;
		if (S[i] <= n && S[i] != t) return 0;
	}
	return 1;
}



signed replacement(signed n, signed S[], signed replacementSeq[]){
	int ind = -1;
	for (int i=0; i<n; i++) if (S[i] <= n) {ind = i; break;}
	int bg = -1; map<int,int> tr; 

	if (ind == -1){
		for (int i=0; i<n; i++){
			tr[S[i]] = i+1; bg= max(bg,(int)S[i]);
		}
	} else {
		int t = S[ind];
		for (int i=(ind+1)%n; i!=ind; i++, i%=n){
			t++; if (t==n+1) t = 1;
			if (S[i] > n) {tr[S[i]] = t; bg=max(bg,(int)S[i]);}
		}
	}
	if (bg==-1) return 0;
	int bgm = tr[bg];
	tr.erase(bg);
	for (int i=n+1; i<=bg; i++){
		if (tr.count(i)){
			replacementSeq[i-(n+1)] = tr[i];
		} else {
			replacementSeq[i-(n+1)] = bgm;
			bgm = i; 
		}
	}
	return (bg-(n+1) + 1);

}

signed countReplacement(signed n, signed S[]){
	if (!valid(n,S)) return 0;
	int res = 1;
	set<int>tr; for (int i=0; i<n; i++) tr.insert(S[i]);
	int bigger = 0;
	for (int x: tr) if (x>=n+1) bigger++;
	if (bigger == n) res *= n;
	for (int i=n+1; i < 25e4+6; i++){
		if (tr.count(i)){
			bigger--; if (!bigger) return res;
		} else {
			res *= bigger; res %= mod;
		}
	}
	return res;
}


Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:8:65: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    8 |  set<int> s; for(int i=0; i<n; i++) s.insert(S[i]); if (s.size()<n) return 0;
      |                                                         ~~~~~~~~^~
/usr/bin/ld: /tmp/ccXbnnVT.o: in function `main':
grader.cpp:(.text.startup+0xb6): undefined reference to `valid'
/usr/bin/ld: grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
/usr/bin/ld: grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status