Submission #13,517

2025-01-08 09:18:55

cpp17

Wrong answer 14/50

85ms

4320 KiB

#include <iostream>
#include <vector>
using namespace std;

int main()
{
    int n,m;
    cin >>n>>m;
    vector<int> v(n+1);
    int x,y;
    for(int i=0;i<m;i++){
        cin >>x>>y;
        v[x]++;
        v[y]--;
    }
    int cnt=0,c=1,ans=0;
    for(int i=1;i<=n;i++){
        cnt+=v[i];
        if(cnt==0&&c!=0){
            ans++;
        }
        c=cnt;
    }
    cout <<ans;
}

	Sum	Test	Verdict		Time	Memory
base	14/50
		1	Accepted	0/0	1ms	328 KiB
		2	Wrong answer	0/0	85ms	4148 KiB
		3	Accepted	2/2	1ms	316 KiB
		4	Wrong answer	0/2	1ms	316 KiB
		5	Accepted	2/2	1ms	568 KiB
		6	Accepted	2/2	1ms	508 KiB
		7	Accepted	2/2	1ms	316 KiB
		8	Accepted	2/2	1ms	316 KiB
		9	Wrong answer	0/2	1ms	316 KiB
		10	Wrong answer	0/2	1ms	316 KiB
		11	Accepted	2/2	1ms	564 KiB
		12	Accepted	2/2	2ms	564 KiB
		13	Wrong answer	0/3	4ms	772 KiB
		14	Wrong answer	0/3	8ms	1076 KiB
		15	Wrong answer	0/3	4ms	1076 KiB
		16	Wrong answer	0/3	63ms	4320 KiB
		17	Wrong answer	0/3	64ms	4320 KiB
		18	Wrong answer	0/3	71ms	4320 KiB
		19	Wrong answer	0/3	8ms	1844 KiB
		20	Wrong answer	0/3	9ms	2372 KiB
		21	Wrong answer	0/3	76ms	4228 KiB
		22	Wrong answer	0/3	75ms	4148 KiB