Submission #845986


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i=0; i<(int)(n); ++i)

int N;
int A[100001];
int main(void) {
    cin >> N;
    rep(i, N) scanf("%d", &A[i]);
    int ans = 0;
    ans += A[0]/2;
    for(int i=1; i<N-1; ++i){
        if(A[i-1]%2 == 1 && A[i+1]%2 == 1) {
            ans += A[i]/2-1;
            A[i] = 2;
        } else {
            ans += A[i]/2;
            A[i] %= 2;
        }
    }
    ans += A[N-1]/2;
    A[N-1] %= 2;

    for(int i=0; i<N-1; ++i){
        if(A[i+1] > 0 && A[i] > 0) {
            ans++;
            A[i+1]--; A[i]--;
        } 
    }
    cout << ans << endl;
}

Submission Info

Submission Time
Task B - Simplified mahjong
User kivantium
Language C++14 (GCC 5.4.1)
Score 0
Code Size 655 Byte
Status WA
Exec Time 27 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     rep(i, N) scanf("%d", &A[i]);
                                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 2
AC × 7
WA × 17
Set Name Test Cases
Sample s1.txt, s2.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt WA 26 ms 640 KB
02.txt WA 27 ms 640 KB
03.txt WA 27 ms 640 KB
04.txt WA 23 ms 640 KB
05.txt WA 24 ms 640 KB
06.txt WA 23 ms 640 KB
07.txt WA 26 ms 640 KB
08.txt WA 27 ms 640 KB
09.txt WA 26 ms 640 KB
10.txt WA 27 ms 640 KB
11.txt AC 18 ms 640 KB
12.txt WA 26 ms 640 KB
13.txt WA 26 ms 640 KB
14.txt WA 26 ms 640 KB
15.txt WA 17 ms 640 KB
16.txt WA 26 ms 640 KB
17.txt WA 27 ms 640 KB
18.txt AC 4 ms 256 KB
19.txt AC 4 ms 256 KB
20.txt WA 4 ms 256 KB
21.txt AC 4 ms 256 KB
22.txt AC 4 ms 256 KB
s1.txt AC 4 ms 256 KB
s2.txt AC 4 ms 256 KB