답안 #74698 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
74698	2018-09-06T14:51:42 Z	Vardanyan	Boat (APIO16_boat)	C++14	31 / 100	1154 ms	525312 KB

boat

//#pragma GCC optimize "-O3"
#include <bits/stdc++.h>
using namespace std;
int a[505],b[505];
const long long MOD = 1000*1000*1000+7;
struct node{
    node *l;
    node *r;
    long long val;
    node():l(NULL),r(NULL),val(0){}
};
void update(node *v, int s,int e,int l,int r,long long val){
    if(l>r) return;
    if(s == l && e == r){
        v->val += val;
        return;
    }
    int m = (s+e)/2;
    if(v->l == NULL){
        v->l = new node();
        v->r = new node();
    }
    update(v->l,s,m,l,min(m,r),val);
    update(v->r,m+1,e,max(l,m+1),r,val);
    v->val = (v->l->val+v->r->val)%MOD;
}
long long query(node *v, int s,int e,int l,int r){
    if(v == NULL) return 0;
    if(l>r) return 0;
    if(s == l && e == r)  return v->val;
    int m = (s+e)/2;
    return (query(v->l,s,m,l,min(m,r))+query(v->r,m+1,e,max(l,m+1),r))%MOD;
}
int main(){
    int n;
    scanf("%d",&n);
    for(int i = 1;i<=n;i++){
        scanf("%d%d",&a[i],&b[i]);
    }
    node* root = new node();;
    for(int i = 1;i<=n;i++){
        vector<long long> v;
        int p = 0;
        for(int j = a[i];j<=b[i];j++){
            long long x = query(root,1,1000*1000*1000,1,j-1);
            x%=MOD;
            v.push_back(x);
        }
        for(int j = a[i];j<=b[i];j++){
            update(root,1,1000*1000*1000,j,j,v[p]+1);
            p++;
        }
    }
    cout<<(query(root,1,1000*1000*1000,1,1000*1000*1000))%MOD<<endl;
    return 0;
}

Compilation message

boat.cpp: In function 'int main()':
boat.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
boat.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a[i],&b[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	4 ms	1152 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1256 KB	Output is correct
5	Correct	4 ms	1300 KB	Output is correct
6	Correct	3 ms	1372 KB	Output is correct
7	Correct	4 ms	1372 KB	Output is correct
8	Correct	4 ms	1380 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	4 ms	1420 KB	Output is correct
11	Correct	4 ms	1432 KB	Output is correct
12	Correct	4 ms	1444 KB	Output is correct
13	Correct	3 ms	1456 KB	Output is correct
14	Correct	4 ms	1468 KB	Output is correct
15	Correct	3 ms	1480 KB	Output is correct
16	Correct	3 ms	1480 KB	Output is correct
17	Correct	3 ms	1480 KB	Output is correct
18	Correct	4 ms	1480 KB	Output is correct
19	Correct	3 ms	1480 KB	Output is correct
20	Correct	3 ms	1480 KB	Output is correct

Subtask #2
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	4 ms	1152 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1256 KB	Output is correct
5	Correct	4 ms	1300 KB	Output is correct
6	Correct	3 ms	1372 KB	Output is correct
7	Correct	4 ms	1372 KB	Output is correct
8	Correct	4 ms	1380 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	4 ms	1420 KB	Output is correct
11	Correct	4 ms	1432 KB	Output is correct
12	Correct	4 ms	1444 KB	Output is correct
13	Correct	3 ms	1456 KB	Output is correct
14	Correct	4 ms	1468 KB	Output is correct
15	Correct	3 ms	1480 KB	Output is correct
16	Correct	3 ms	1480 KB	Output is correct
17	Correct	3 ms	1480 KB	Output is correct
18	Correct	4 ms	1480 KB	Output is correct
19	Correct	3 ms	1480 KB	Output is correct
20	Correct	3 ms	1480 KB	Output is correct
21	Correct	641 ms	1480 KB	Output is correct
22	Correct	626 ms	1560 KB	Output is correct
23	Correct	601 ms	1560 KB	Output is correct
24	Correct	645 ms	1560 KB	Output is correct
25	Correct	670 ms	1560 KB	Output is correct
26	Correct	704 ms	1560 KB	Output is correct
27	Correct	708 ms	1560 KB	Output is correct
28	Correct	700 ms	1560 KB	Output is correct
29	Correct	753 ms	1560 KB	Output is correct
30	Correct	750 ms	63140 KB	Output is correct
31	Correct	717 ms	63140 KB	Output is correct
32	Correct	717 ms	63380 KB	Output is correct
33	Correct	725 ms	63380 KB	Output is correct
34	Correct	696 ms	63380 KB	Output is correct
35	Correct	711 ms	63380 KB	Output is correct
36	Correct	709 ms	63380 KB	Output is correct
37	Correct	699 ms	63380 KB	Output is correct
38	Correct	693 ms	63380 KB	Output is correct

Subtask #3
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	1154 ms	525312 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 42.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	1016 KB	Output is correct
2	Correct	4 ms	1152 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1256 KB	Output is correct
5	Correct	4 ms	1300 KB	Output is correct
6	Correct	3 ms	1372 KB	Output is correct
7	Correct	4 ms	1372 KB	Output is correct
8	Correct	4 ms	1380 KB	Output is correct
9	Correct	3 ms	1408 KB	Output is correct
10	Correct	4 ms	1420 KB	Output is correct
11	Correct	4 ms	1432 KB	Output is correct
12	Correct	4 ms	1444 KB	Output is correct
13	Correct	3 ms	1456 KB	Output is correct
14	Correct	4 ms	1468 KB	Output is correct
15	Correct	3 ms	1480 KB	Output is correct
16	Correct	3 ms	1480 KB	Output is correct
17	Correct	3 ms	1480 KB	Output is correct
18	Correct	4 ms	1480 KB	Output is correct
19	Correct	3 ms	1480 KB	Output is correct
20	Correct	3 ms	1480 KB	Output is correct
21	Correct	641 ms	1480 KB	Output is correct
22	Correct	626 ms	1560 KB	Output is correct
23	Correct	601 ms	1560 KB	Output is correct
24	Correct	645 ms	1560 KB	Output is correct
25	Correct	670 ms	1560 KB	Output is correct
26	Correct	704 ms	1560 KB	Output is correct
27	Correct	708 ms	1560 KB	Output is correct
28	Correct	700 ms	1560 KB	Output is correct
29	Correct	753 ms	1560 KB	Output is correct
30	Correct	750 ms	63140 KB	Output is correct
31	Correct	717 ms	63140 KB	Output is correct
32	Correct	717 ms	63380 KB	Output is correct
33	Correct	725 ms	63380 KB	Output is correct
34	Correct	696 ms	63380 KB	Output is correct
35	Correct	711 ms	63380 KB	Output is correct
36	Correct	709 ms	63380 KB	Output is correct
37	Correct	699 ms	63380 KB	Output is correct
38	Correct	693 ms	63380 KB	Output is correct
39	Runtime error	1154 ms	525312 KB	Execution killed with signal 9 (could be triggered by violating memory limits)
40	Halted	0 ms	0 KB	-

답안 #74698

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 22.0 / 22.0

Subtask #3 0 / 27.0

Subtask #4 0 / 42.0

Subtask #1
9.0 / 9.0

Subtask #2
22.0 / 22.0

Subtask #3
0 / 27.0

Subtask #4
0 / 42.0