Submission #701927

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
701927	2023-02-22 11:00:36	Cyanmond	Gondola (IOI14_gondola)	C++17	100 / 100	43 ms	6028 KiB

gondola

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#include "gondola.h"
#include <bits/stdc++.h>
int valid(int n, int inputSeq[]) {
    for (int i = 0; i < n; ++i) {
        --inputSeq[i];
    }
    {
        // double
        std::set<int> s;
        for (int i = 0; i < n; ++i) {
            s.insert(inputSeq[i]);
        }
        if (s.size() != n) {
            return false;
        }
    }
    for (int f = 0; f < n; ++f) {
        if (inputSeq[f] >= n) {
            continue;
        }
        int x = inputSeq[f];
        bool answer = true;
        for (int i = f + 1; i < n; ++i) {
            const int y = (x + 1) % n;
            if (inputSeq[i] < n and y != inputSeq[i]) {
                answer = false;
            }
            x = y;
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:14:22: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   14 |         if (s.size() != 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