Submission #1,950

1950

2022-12-12 12:53:15

cpp11

Wrong answer 18/50

86ms

19012 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;
    --db;
    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	18/50
		1	Wrong answer	0/0	3ms	1812 KiB
		2	Accepted	0/0	86ms	17524 KiB
		3	Wrong answer	0/2	2ms	2220 KiB
		4	Accepted	2/2	2ms	2420 KiB
		5	Wrong answer	0/2	2ms	2772 KiB
		6	Wrong answer	0/2	2ms	2900 KiB
		7	Wrong answer	0/2	2ms	3092 KiB
		8	Wrong answer	0/2	2ms	3172 KiB
		9	Accepted	2/2	2ms	3108 KiB
		10	Accepted	2/2	2ms	3220 KiB
		11	Wrong answer	0/2	3ms	3876 KiB
		12	Wrong answer	0/2	3ms	4524 KiB
		13	Wrong answer	0/3	7ms	4500 KiB
		14	Wrong answer	0/3	8ms	6056 KiB
		15	Wrong answer	0/3	8ms	6060 KiB
		16	Accepted	3/3	65ms	18796 KiB
		17	Accepted	3/3	67ms	18792 KiB
		18	Accepted	3/3	75ms	18952 KiB
		19	Wrong answer	0/3	13ms	9464 KiB
		20	Wrong answer	0/3	14ms	11132 KiB
		21	Wrong answer	0/3	79ms	19012 KiB
		22	Accepted	3/3	82ms	19012 KiB