제출 #169464

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
169464		abil	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	13 / 100	757 ms	42208 KiB

sortbooks

#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

int a[N], mx[N];
main()
{
	int n, m, pos;
	scanf("%d%d", &n, &m);
	a[0] = INF;
	for(int i = 1;i <= n; i++){
		scanf("%d", &a[i]);
		if(a[i] < a[i - 1]){
			pos = i;
		}
		mx[i] = pos;
	}
	int l, r, k;
	while(m--){
		scanf("%d%d%d", &l, &r, &k);
		if(mx[r] <= l){
			printf("1\n");
		}
		else{
			printf("0\n");
		}
	}
	  
}

컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
sortbooks.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &l, &r, &k);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:27:9: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   mx[i] = pos;
   ~~~~~~^~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 13 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23