제출 #288868

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
288868		leductoan	Pot (COCI15_pot)	C++14	50 / 50	1 ms	512 KiB

pot

#include<bits/stdc++.h>

using namespace std;

#define task "pot"
#define lb lower_bound
#define ub upper_bound
#define ALL(v) (v).begin(),(v).end()
#define uni(a) (a).resize(unique(all(a)), (a).end())
#define zs(v) (int)(v).size()
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define cntbit __builtin_popcountll
#define BIT(x, i) (((x) >> (i)) & 1)

#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define FORD(i,a,b) for(int i=(a);i>=(b);--i)
#define REP(i,a,b) for(int i=(a);i<(b);++i)

typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
const int d4i[4]={-1, 0, 1, 0}, d4j[4]={0, 1, 0, -1};
const int d8i[8]={-1, -1, 0, 1, 1, 1, 0, -1}, d8j[8]={0, 1, 1, 1, 0, -1, -1, -1};
const ll mod=1000000007; /// 998244353
const int base=311;
const int N=1e5+5;

void biot()
{
    int n;
    cin>>n;
    ll ans=0;
    FOR(i,1,n)
    {
        int x;
        cin>>x;
        int mu=x%10;
        x/=10;
        ll tam=1;
        FOR(j,1,mu) tam*=x;
        ans+=tam;
//        cout<<x<<'\n';
    }
    cout<<ans;
}
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    if(fopen(task".inp","r"))
    {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    biot();
}

컴파일 시 표준 에러 (stderr) 메시지

pot.cpp: In function 'int main()':
pot.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   54 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
pot.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   55 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50