Submission #845419

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#define INT long long 
#define MOD 1000000007
#define oo 987654321
#define OO 99999999987654321LL
using namespace std;

int n, s[100010], ans;

int main()
{
    scanf("%d", &n);
    for(int i = 0 ; i  < n ; i++ )
        scanf("%d", s+i);
    for(int i = 0 ; i < n ; i++ )
        if( s[i] > 1 ) ans += s[i]/2, s[i]%=2;
    for(int i = 0 ; i < n-1 ; i++ )
        if( s[i] + s[i+1] == 2 ) ans++, s[i] = s[i+1] = 0;
    printf("%d\n", ans);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:19:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", s+i);
                         ^

Judge Result