Submission #1712921


Source Code Expand

#include<bits/stdc++.h>
using namespace std;

const int mod = 1000*1000*1000+7;

int N;
vector<int> A, B;

int main() {
    scanf("%d", &N);

    A.resize(N);
    B.resize(N);

    for(int i = 0; i < N; i++) {
        scanf("%d", &A[i]);
    }
    for(int i = 0; i < N; i++) {
        scanf("%d", &B[i]);
    }

    sort(A.begin(), A.end());
    sort(B.begin(), B.end());

    int ans = 1;

    for(int i = N - 1; i >= 0; i--) {
        int s = i + 1, e = N - 1;
        int p = i;

        while(s <= e) {
            int m = (s + e)>>1;

            if(A[m] <= B[i]) {
                p = m;
                s = m + 1;
            }
            else e = m - 1;
        }

        ans = 1LL * ans * (p - i + 1) % mod;
    }

    cout << ans;
}

Submission Info

Submission Time
Task A - 1D Matching
User choikiwon
Language C++14 (GCC 5.4.1)
Score 0
Code Size 790 Byte
Status WA
Exec Time 39 ms
Memory 1024 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:16:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]);
                           ^
./Main.cpp:19:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &B[i]);
                           ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 2
AC × 3
WA × 11
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt WA 23 ms 768 KB
001.txt WA 9 ms 384 KB
002.txt WA 12 ms 512 KB
003.txt WA 14 ms 512 KB
004.txt WA 34 ms 896 KB
005.txt WA 39 ms 1024 KB
006.txt WA 39 ms 1024 KB
007.txt WA 39 ms 1024 KB
008.txt WA 38 ms 1024 KB
009.txt WA 39 ms 1024 KB
010.txt WA 38 ms 1024 KB
011.txt AC 38 ms 1024 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB