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답안 #11846

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
11846 2014-12-12T06:53:56 Z gs14004 백신 (KOI13_vaccine) C++
0 / 24
 28 ms 4524 KB 
#include <cstdio>
#include <algorithm>
#include <set>
using namespace std;

set<long long> hash_virus[101];

long long chash[1005];
int n,k;

int fnd(long long x){
    for (int i=1; i<n; i++) {
        if(hash_virus[i].find(x) == hash_virus[i].end()) return 0;
    }
    return 1;
}

int main(){
    int n,k;
    scanf("%d %d",&n,&k);
    chash[0] = 1;
    for (int i=1; i<=k; i++) {
        chash[i] = chash[i-1] * 7469;
    }
    for (int i=0; i<n; i++) {
        int m, a[1005] ={};
        scanf("%d",&m);
        for (int j=0; j<m; j++) {
            scanf("%d",&a[j]);
        }
        long long ch = 0;
        for (int j=0; j<m; j++) {
            ch *= 7469;
            ch += a[j];
            if(j >= k) ch -= a[j-k] * chash[k];
            if(j+1 >= k) hash_virus[i].insert(ch);
        }
        reverse(a,a+m);
        ch = 0;
        for (int j=0; j<m; j++) {
            ch *= 7469;
            ch += a[j];
            if(j >= k) ch -= a[j-k] * chash[k];
            if(j+1 >= k) hash_virus[i].insert(ch);
        }
    }
    set<long long> ::iterator it = hash_virus[0].begin();
    while (it != hash_virus[0].end()) {
        if(fnd(*it)){
            puts("YES");
            return 0;
        }
        it++;
    }
    puts("NO");
}

Subtask #1
0.0 / 2.64

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1224 KB Output is correct
3 Correct 0 ms 1224 KB Output is correct
4 Correct 0 ms 1224 KB Output is correct
5 Incorrect 0 ms 1224 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0.0 / 3.12

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1224 KB Output is correct
3 Correct 0 ms 1224 KB Output is correct
4 Incorrect 0 ms 1224 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 3.6

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1224 KB Output is correct
3 Correct 0 ms 1224 KB Output is correct
4 Correct 0 ms 1224 KB Output is correct
5 Incorrect 0 ms 1224 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0.0 / 4.32

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1224 KB Output is correct
2 Correct 0 ms 1356 KB Output is correct
3 Correct 0 ms 1356 KB Output is correct
4 Incorrect 0 ms 1224 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0.0 / 4.8

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 1620 KB Output is correct
2 Correct 8 ms 2148 KB Output is correct
3 Correct 4 ms 2544 KB Output is correct
4 Incorrect 28 ms 4524 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0.0 / 5.52

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 3204 KB Output is correct
2 Correct 20 ms 4524 KB Output is correct
3 Correct 24 ms 4392 KB Output is correct
4 Incorrect 16 ms 3204 KB Output isn't correct
5 Halted 0 ms 0 KB -