제출 #1265544

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1265544		herominhsteve	Pot (COCI15_pot)	C++20	50 / 50	0 ms	328 KiB

pot

#include <bits/stdc++.h>
#define el '\n'
#define FNAME "NAME"
#define allof(x) x.begin(),x.end()
#define allof1(x) x.begin()+1,x.end()
#define mset(x,n) memset(x,(n),sizeof(x))
const long long MOD = (long long) 1e9+7;
template<class X,class Y> bool minimize(X &a,Y b){ if (a>b) {a=b; return true;} return false;}
template<class X,class Y> bool maximize(X &a,Y b){ if (a<b) {a=b; return true;} return false;}

void setup(){
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(0);std::cout.tie(0);
	if (fopen(FNAME".inp","r")){
		freopen(FNAME".inp","r",stdin);
		freopen(FNAME".out","w",stdout);
	}
}

unsigned int indianpow(unsigned int a, unsigned int b){
	if (!b) return 1;
	unsigned int x = indianpow(a,b/2);
	x = x * x;
	if (b&1) return a*x;
	return x;
}

int n;

void init(){
	std::cin>>n;
}

void sol(){
	unsigned int res = 0;
	for (int i=0;i<n;i++){
		unsigned int x; std::cin>>x;
		unsigned int expo = x % 10;
		unsigned int num = x/10;
		res+= indianpow(num,expo);
	}
	std::cout<<res;
}

int main(){
    setup();
    init();
    sol();
}

컴파일 시 표준 에러 (stderr) 메시지

pot.cpp: In function 'void setup()':
pot.cpp:15:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |                 freopen(FNAME".inp","r",stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
pot.cpp:16:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |                 freopen(FNAME".out","w",stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50