Submission #1867267


Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<map>
using namespace std;
int a[200005],n;
map<int,int> f;
int v[200005];
void ins(int x){for(;x<=n;x+=(x&(-x)))v[x]++;}
int qry(int x){int r=0;for(;x;x-=(x&(-x)))r+=v[x]; return r;}
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		f[a[i]]=0;
	}
	int cnt=0;
	for(map<int,int>::iterator it=f.begin();it!=f.end();it++)
		it->second=++cnt;
	int mx=0,ans=0;
	for(int i=1;i<=n;i++){
		if(a[i]>=mx){mx=a[i]; ins(f[a[i]]); continue;}
		int v0=i-qry(f[a[i]])-1,v1=mx-a[i];
		if(v0<=v1){
			ins(f[a[i]]);
			ans+=v0;
		}else{
			ins(mx);
			ans+=v1;
		}
	//	printf("%d %d %d\n",v0,v1,ans);
	}
	printf("%d\n",ans);
	return 0;
}


Submission Info

Submission Time
Task B - Increment and Swap
User chnftq
Language C++14 (GCC 5.4.1)
Score 0
Code Size 748 Byte
Status WA
Exec Time 182 ms
Memory 11136 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:14:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1500
Status
AC × 2
AC × 5
WA × 61
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, 059.txt, 060.txt, 061.txt, 062.txt, 063.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt WA 125 ms 4608 KB
001.txt WA 128 ms 4992 KB
002.txt WA 131 ms 5248 KB
003.txt WA 135 ms 5504 KB
004.txt WA 138 ms 5760 KB
005.txt WA 142 ms 6144 KB
006.txt WA 145 ms 6400 KB
007.txt WA 148 ms 6656 KB
008.txt WA 152 ms 6912 KB
009.txt WA 156 ms 7168 KB
010.txt WA 159 ms 7424 KB
011.txt WA 160 ms 7680 KB
012.txt WA 163 ms 7936 KB
013.txt WA 163 ms 8192 KB
014.txt WA 167 ms 8448 KB
015.txt WA 166 ms 8576 KB
016.txt WA 168 ms 8832 KB
017.txt WA 168 ms 8960 KB
018.txt WA 169 ms 9088 KB
019.txt WA 170 ms 9344 KB
020.txt WA 170 ms 9472 KB
021.txt WA 10 ms 768 KB
022.txt WA 120 ms 4736 KB
023.txt WA 55 ms 2688 KB
024.txt WA 20 ms 1280 KB
025.txt WA 77 ms 3584 KB
026.txt WA 13 ms 1024 KB
027.txt WA 104 ms 4864 KB
028.txt WA 49 ms 2816 KB
029.txt WA 50 ms 2816 KB
030.txt WA 50 ms 2944 KB
031.txt WA 113 ms 5632 KB
032.txt WA 69 ms 3840 KB
033.txt WA 70 ms 4096 KB
034.txt WA 127 ms 6656 KB
035.txt WA 20 ms 1536 KB
036.txt WA 146 ms 7680 KB
037.txt WA 111 ms 6272 KB
038.txt WA 26 ms 2048 KB
039.txt WA 82 ms 4992 KB
040.txt WA 73 ms 4608 KB
041.txt WA 148 ms 8320 KB
042.txt AC 96 ms 11136 KB
043.txt WA 121 ms 11136 KB
044.txt WA 179 ms 11136 KB
045.txt AC 1 ms 256 KB
046.txt WA 27 ms 1024 KB
047.txt WA 182 ms 11136 KB
048.txt WA 28 ms 1024 KB
049.txt WA 28 ms 1024 KB
050.txt WA 32 ms 1024 KB
051.txt WA 41 ms 1024 KB
052.txt WA 60 ms 1152 KB
053.txt WA 101 ms 2048 KB
054.txt WA 161 ms 7424 KB
055.txt WA 27 ms 1024 KB
056.txt WA 27 ms 1024 KB
057.txt WA 31 ms 1024 KB
058.txt WA 39 ms 1024 KB
059.txt WA 55 ms 1152 KB
060.txt WA 85 ms 2048 KB
061.txt WA 142 ms 7424 KB
062.txt AC 80 ms 7424 KB
063.txt WA 87 ms 7296 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB