Submission #1,947

1947

2022-12-12 12:52:32

cpp11

Wrong answer 9/50

86ms

19792 KiB

#include <iostream>
#include <vector>

using namespace std;
int i,n,m,a,b,db;
int main()
{
    cin>>n>>m;
    vector <long long> x(n+2);
    for(i=1;i<=m;++i)
    {
        cin>>a>>b;
        x[a]++;
        x[b+1]--;
    }
    ++n;
    for(i=1;i<=n;++i)
    {
        x[i]+=x[i-1];
        if(x[i]==0 && x[i-1]!=0) db++;
    }
    if(x[1]==0) ++db;
    cout<<db;
}

	Sum	Test	Verdict		Time	Memory
base	9/50
		1	Accepted	0/0	3ms	1684 KiB
		2	Wrong answer	0/0	86ms	17452 KiB
		3	Accepted	2/2	2ms	2052 KiB
		4	Wrong answer	0/2	2ms	2260 KiB
		5	Wrong answer	0/2	2ms	2460 KiB
		6	Wrong answer	0/2	2ms	2668 KiB
		7	Accepted	2/2	2ms	2904 KiB
		8	Wrong answer	0/2	2ms	3112 KiB
		9	Wrong answer	0/2	2ms	3312 KiB
		10	Wrong answer	0/2	2ms	3516 KiB
		11	Accepted	2/2	3ms	4520 KiB
		12	Wrong answer	0/2	3ms	5308 KiB
		13	Wrong answer	0/3	7ms	5264 KiB
		14	Wrong answer	0/3	8ms	6828 KiB
		15	Wrong answer	0/3	7ms	6824 KiB
		16	Wrong answer	0/3	64ms	19560 KiB
		17	Wrong answer	0/3	68ms	19644 KiB
		18	Wrong answer	0/3	75ms	19648 KiB
		19	Wrong answer	0/3	12ms	10416 KiB
		20	Wrong answer	0/3	13ms	11924 KiB
		21	Accepted	3/3	79ms	19792 KiB
		22	Wrong answer	0/3	82ms	19712 KiB