제출 #299136

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
299136		theshadow_04	평균 (COCI14_prosjek)	C++14	50 / 50	1 ms	512 KiB

prosjek

// VU TRUONG AN
#include <bits/stdc++.h>
#define F first
#define S second
#define MOD 1000000007
#define pb push_back
#define bit(x,p) ((x>>p) & 1)
#define ll long long
#define Task "Prosjek"
using namespace std;

const int base = 100003;
const int maxn = 100005;

int n;
long long b[maxn];

int main(){
    ios_base::sync_with_stdio(0);
    cout.tie(0); cin.tie(0);
	if(fopen(Task".inp","r")){
		freopen(Task".inp","r",stdin);
		freopen(Task".out","w",stdout);
	}
	cin >> n;
	for(int i = 1;i <= n;++i) cin >> b[i];
	for(int i = 1;i <= n;++i){
        long long a = 1ll * b[i] * i - 1ll * b[i - 1] * (i - 1);
        cout << a << " ";
	}

}

컴파일 시 표준 에러 (stderr) 메시지

prosjek.cpp: In function 'int main()':
prosjek.cpp:22:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   22 |   freopen(Task".inp","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
prosjek.cpp:23:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   23 |   freopen(Task".out","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50