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답안 #71959

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
71959 2018-08-26T04:04:34 Z 30분만 즐기고 갈게요~(#2266, kajebiii) 흔한 자료구조 문제 (FXCUP3_easy) C++17
0 / 100
 2 ms 332 KB 
#include <bits/stdc++.h>

using namespace std;

#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<int, int> pi;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF;

struct IDX {
	int P; vector<int> Val;
	IDX(int N) {
		for(P=1; P<N; P<<=1);
		Val = vector<int>(P*2, INF);
	}
	void update(int v, int k) {
		Val[v += P] = k;
		while(v/=2) Val[v] = min(Val[v*2], Val[v*2+1]);
	}
	int getMin(int a, int b) {
		a+=P; b+=P;
		int result = INF;
		while(a <= b) {
			if(a%2 == 1) result = min(result, Val[a++]);
			if(b%2 == 0) result = min(result, Val[b--]);
			a>>=1;b>>=1;
		}
		return result;
	}
};


int N, Q;
int main() {
	cin >> N >> Q;
	IDX idx = IDX(N);
	for(int i=0; i<N; i++) {
		int x; scanf("%d", &x);
		idx.update(i, x);
	}
	for(int q=0; q<Q; q++) {
		int l, r; scanf("%d%d", &l, &r); l--; r--;
		printf("%d\n", idx.getMin(l, r));
	}
	return 0;
}

Compilation message

easy.cpp: In function 'int main()':
easy.cpp:42:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x; scanf("%d", &x);
          ~~~~~^~~~~~~~~~
easy.cpp:46:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int l, r; scanf("%d%d", &l, &r); l--; r--;
             ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 332 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #2
0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 332 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -