Submission #30941

#	Time	Username	Problem	Language	Result	Execution time	Memory
30941		kajebiii	Gondola (IOI14_gondola)	C++14	55 / 100	19 ms	5400 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;

#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<double, double> pd;
typedef pair<int, int> pi; 
typedef pair<ll, int> pli;
typedef pair<ll, ll> pll; typedef pair<ll, pi> plp;
typedef tuple<int, int, int> ti; typedef tuple<ll, int, int> tli;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF * 2;

int valid(int n, int nr[]) {
    int ix = -1, cnt = 0;
    for(int i=0; i<n; i++) if(nr[i] >= 1 && nr[i] <= n) {
        ix = i;
        break;
    }
    if(ix == -1) {
        sort(nr, nr+n);
        for(int i=0; i+1<n; i++) if(nr[i] == nr[i+1]) return 0;
        return 1;
    }
    ix = (ix + n - (nr[ix]-1)) % n;
    for(int i=0; i<n; i++) if(nr[(ix+i)%n] != (i+1)) return 0;
    return 1;
}

//----------------------

const int MAX_N = 1e5 + 100;

int temp[MAX_N];
int replacement(int n, int nr[], int res[]) {
    for(int i=0; i<n; i++) temp[i] = nr[i];

    int ix = -1, cnt = 0;
    for(int i=0; i<n; i++) if(nr[i] >= 1 && nr[i] <= n) {
        ix = i;
        break;
    }
    if(ix != -1) {
        ix = (ix + n - (nr[ix]-1)) % n;
        for(int i=0; i<n; i++) nr[i] = temp[(i+ix)%n];
    }
//    for(int i=0; i<n; i++) printf("%d ", nr[i]); puts("");

    int ansL = 0;
    vector<pi> ps;
    for(int i=0; i<n; i++) ps.push_back(pi(nr[i], i));
    sort(ALL(ps));
    for(int i=0; i<n; i++) nr[i] = i+1;

    int now = n;
    for(int i=0; i<n; i++) {
        while(now < ps[i].one) {
            now++;
            res[ansL++] = nr[ps[i].two];
            nr[ps[i].two] = now;
        }
    }
    return ansL;
}

//----------------------

int countReplacement(int n, int inputSeq[]) {
    return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:20:18: warning: unused variable 'cnt' [-Wunused-variable]
     int ix = -1, cnt = 0;
                  ^
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:43:18: warning: unused variable 'cnt' [-Wunused-variable]
     int ix = -1, cnt = 0;
                  ^

• 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: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10