oj.uz

답안 #83655

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
83655 2018-11-09T15:16:57 Z nikolapesic2802 Temperature (POI11_tem) C++14
56 / 100
 858 ms 33792 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
int ma;
const int N=2*1e6+5;
int m[N];
int n;
int i,k,l0,l,r,r0,nn;
int maxx=INT_MIN;
int res=0;
int hi,lo,mid,d,a;
struct SegmentTree{
    void set()
    {
        a+=n;
        m[a]=k;
        a>>=1;
        for(;a;a>>=1)
            m[a]=max(m[2*a],m[2*a+1]);
    }
    int get()
    {
        ma=INT_MIN;
        for(l0+=n,r0+=n;l0<=r0;l0>>=1,r0>>=1)
        {
            if(l0%2==1)
            {
                ma=max(ma,m[l0]);
                l0++;
            }
            if(r0%2==0)
            {
                ma=max(ma,m[r0]);
                r0--;
            }
        }
        return ma;
    }
};


int main()
{
    SegmentTree m;
    //n=1e6;
    scanf("%i",&n);
    assert(n<N);
    for(i=0;i<n;i++)
    {
        scanf("%i %i",&lo,&hi);
        a=i;
        k=lo;
        m.set();
        if(hi<maxx)
        {
            l++;
            r=i;
            while(l<r)
            {
                mid=(l+r)/2;
                l0=mid;
                r0=i;
                d=m.get();
                //printf("%i-%i   [%i][%i]=%i\n",l,r,mid,i,d);
                if(hi<d)
                {
                    l=mid+1;
                }
                else
                {
                    r=mid;
                }
            }
            l0=l;
            r0=i;
            maxx=m.get();
        }
        maxx=max(maxx,lo);
        res=max(res,i-l+1);
    }
    printf("%i\n",res);
    return 0;
}

Compilation message

tem.cpp: In function 'int main()':
tem.cpp:49:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i",&n);
     ~~~~~^~~~~~~~~
tem.cpp:53:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i %i",&lo,&hi);
         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 452 KB Output is correct
2 Correct 2 ms 452 KB Output is correct
3 Correct 2 ms 460 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 540 KB Output is correct
2 Correct 2 ms 544 KB Output is correct
3 Correct 2 ms 676 KB Output is correct
4 Correct 2 ms 676 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 716 KB Output is correct
2 Correct 5 ms 780 KB Output is correct
3 Correct 5 ms 864 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 4400 KB Output is correct
2 Correct 128 ms 4916 KB Output is correct
3 Correct 146 ms 5632 KB Output is correct

Subtask #5
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 253 ms 6720 KB Output is correct
2 Correct 279 ms 8856 KB Output is correct
3 Correct 603 ms 9020 KB Output is correct

Subtask #6
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 320 ms 9020 KB Output is correct
2 Correct 286 ms 9128 KB Output is correct
3 Correct 766 ms 9188 KB Output is correct

Subtask #7
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 372 ms 9840 KB Output is correct
2 Correct 292 ms 16656 KB Output is correct
3 Correct 858 ms 18092 KB Output is correct

Subtask #8
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 628 ms 18092 KB Output is correct
2 Correct 613 ms 26952 KB Output is correct
3 Runtime error 308 ms 33792 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.

Subtask #9
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 191 ms 33792 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #10
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 192 ms 33792 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #11
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 302 ms 33792 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #12
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 297 ms 33792 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -