Submission #396844

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
396844	2021-04-30 19:39:19	ly20	Gondola (IOI14_gondola)	C++17	100 / 100	82 ms	5088 KiB

gondola

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#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 9;
int valid(int n, int seq[])
{
    bool vl = true;
    int id0 = n;
    map <int, int> freq;
    for(int i = 0; i < n; i++) {
        freq[seq[i]]++;
        if(freq[seq[i]] > 1) vl = false;
        if(seq[i] > n) continue;
        if(id0 == n) {
            id0 = (seq[i] - i + n) % n;
        }
        else {
            if(id0 != (seq[i] - i + n) % n) vl = false;
        }
    }
    if(vl) return 1;
    else return 0;
}
//----------------------
int vor[112345];
int replacement(int n, int seq[], int resp[])
{
    int ch = 0;
    for(int i = 0; i < n; i++) {
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:56:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for(int i = 0; i < mx.size(); i++) {
      |                    ~~^~~~~~~~~~~
gondola.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for(int i = 0; i < rs.size(); i++) {
      |                    ~~^~~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:95:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |     for(int i = 0; i < rp.size(); i++) {
      |                    ~~^~~~~~~~~~~
gondola.cpp:103:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  103 |     if(rp.size() == n) resp = (resp * n) % MOD;
      |        ~~~~~~~~~~^~~~

• 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