제출 #297805

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
297805	2020-09-12 01:14:39	juckter	곤돌라 (IOI14_gondola)	C++14	100 / 100	75 ms	5112 KiB

gondola

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MAXV = 3e5 + 10;
const ll MOD = 1e9 + 9;
ll mpow(ll b, ll e) {
    ll res = 1;
    for(ll k = 1; k <= e; k *= 2) {
        if(k & e) res = (res * b) % MOD;
        b = (b * b) % MOD;
    }
    return res;
}
int valid(int n, int inputSeq[]) {
    set<int> seen;
    int rot = -1;
    for(int i = 0; i < n; i++) {
        if(seen.count(inputSeq[i]))
            return 0;
        seen.insert(inputSeq[i]);
        if(inputSeq[i] <= n) {
            int nr = (inputSeq[i] - i + n) % n;
            if(rot != -1 && rot != nr)
                return 0;
            rot = nr;
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:88:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |     for(int i = 1; i < bigs.size(); i++) {
      |                    ~~^~~~~~~~~~~~~
gondola.cpp:84:8: warning: unused variable 'cntSmall' [-Wunused-variable]
   84 |     ll cntSmall = n - cntBig;
      |        ^~~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:45:44: warning: 'rot' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |         rotate(gondolaSeq, gondolaSeq + (n - rot) % n, gondolaSeq + n);
      |                                         ~~~^~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 10 / 10