Submission #160360

#	Time	Username	Problem	Language	Result	Execution time	Memory
160360		BlueDiamond	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
 
using namespace std;
 
const int L = 250000 + 7;
int who[L];
 
int valid(int n, int a[]) {
        memset(who, -1, sizeof who);
        for (int i = 0; i < n; i++) {
                a[i]--;
                who[a[i]] = i;
        }
 
        int i = L - 1;
        while (i >= 0) {
                if (who[i] == -1) {
                        i--;
                        continue;
                }
                int j = i - 1;
                while (j >= 0 && who[j] != -1)
                        j--;
                if (j < 0)
                        break;
                who[j] = who[i];
                who[i] = -1;
                i = j - 1;
        }
        for (int i = 0; i < n; i++)
                if (who[i] == -1)
                        return -1;
        for (int i = 1; i < n; i++) {
                int dist = who[i] - who[i - 1];
                if (dist < 0)
                        dist += n;
                if (dist != 1)
                        return 0;
        }
        return 1;
}

Compilation message (stderr)

/tmp/ccSmRWcL.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status