Submission #82765

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
82765	2018-11-01T15:27:58 Z	naoai	Languages (IOI10_languages)	C++14	0 / 100	359 ms	16000 KB

lang

#include <bits/stdc++.h>

using namespace std;

#include "grader.h"
#include "lang.h"

typedef unsigned int u64;
static const int mod = 666013;
static const int nmax = 100;
static const int lgmax = 1;
static const int nrlang = 56;
static const int base = 218279;

bool viz[nrlang];
int c[nmax + 1];
vector<u64> h[mod];

void baga (int l, u64 x) {
    int key = (x * 61 + l) % mod;
    for (auto i : h[key])
        if (i == x)
            return ;
    h[key].push_back(x);
}

bool cauta (int l, u64 x) {
    int key = (x * 61 + l) % mod;
    for (auto i : h[key])
        if (i == x)
            return 1;
    return 0;
}

void excerpt(int *E) {
    int bstcost = -1, bstlang = 0;

    for (int l = 0; l < nrlang; ++ l) {
        if (viz[l] == 0)
            continue;
        c[0] = 0;

        for (int i = 1; i <= nmax; ++ i) {
            u64 hsh = 0;
            c[i] = 0;

            for (int j = max(j - lgmax, 0); j <= i - 1; ++ j) {
                //hsh = hsh * base + E[j];
                c[i] = max(c[i], c[j] + cauta(l, hsh) * (i - j) * (i - j));
            }
        }

        if (c[nmax] > bstcost) {
            bstcost = c[nmax];
            bstlang = l;
        }
    }

	int ans = language(bstlang);
	viz[ans] = 1;

	for (int i = 1; i <= nmax; ++ i) {
        u64 hsh = 0;
        for (int j = max(j - lgmax, 0); j <= i - 1; ++ j) {
            //hsh = hsh * base + E[j];
            //baga(ans, hsh);
        }
	}
}

Compilation message

lang.cpp: In function 'void excerpt(int*)':
lang.cpp:63:13: warning: unused variable 'hsh' [-Wunused-variable]
         u64 hsh = 0;
             ^~~
lang.cpp:47:32: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
             for (int j = max(j - lgmax, 0); j <= i - 1; ++ j) {
                              ~~^~~~~~~

Subtask #1

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	323 ms	16000 KB	Output isn't correct

Subtask #2

0.0 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	359 ms	16000 KB	Output isn't correct - 1.91%