답안 #23584

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
23584	2017-05-12T17:45:02 Z	repeating	Boat (APIO16_boat)	C++11	9 / 100	2000 ms	524288 KB

boat

#include <bits/stdc++.h>
#define F first
#define S second
#define P push
#define pb push_back
#define MEM(dp,i) memset(dp,i,sizeof(dp))
#define W while
#define R return
#define C continue
#define SI size()
#define ll long long
#define pll pair<ll,ll>
#define SF(x) scanf("%I64d",&x)

using namespace std;
const long long INF = 2e9;
long long MOD = 1e9+7;
ll n;
ll a[555];
ll b[555];
vector<ll> dp[555];
ll DP(ll x,ll last){
    if(x==n)R 1;
    if(last>b[x])R DP(x+1,last);
    ll p=DP(x+1,last);
    last=max(last,a[x]);
    ll &ret=dp[x][last-a[x]];
    if(ret!=-1)R ret+p;
    ret=0;
    if(last<=b[x])
        ret=DP(x,last+1);
    ret%=MOD;
    R ret+p;
}
int main(){
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i]>>b[i];
        for(int j=a[i];j<=b[i];j++)
            dp[i].pb(-1);
    }
    cout<<(DP(0,1)-1)%MOD;
}

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2040 KB	Output is correct
2	Correct	0 ms	2040 KB	Output is correct
3	Correct	0 ms	2040 KB	Output is correct
4	Correct	0 ms	2040 KB	Output is correct
5	Correct	0 ms	2040 KB	Output is correct
6	Correct	0 ms	2040 KB	Output is correct
7	Correct	0 ms	2040 KB	Output is correct
8	Correct	0 ms	2040 KB	Output is correct
9	Correct	0 ms	2040 KB	Output is correct
10	Correct	0 ms	2040 KB	Output is correct
11	Correct	0 ms	2040 KB	Output is correct
12	Correct	0 ms	2040 KB	Output is correct
13	Correct	0 ms	2040 KB	Output is correct
14	Correct	0 ms	2040 KB	Output is correct
15	Correct	0 ms	2040 KB	Output is correct
16	Correct	0 ms	2040 KB	Output is correct
17	Correct	0 ms	2040 KB	Output is correct
18	Correct	0 ms	2040 KB	Output is correct
19	Correct	0 ms	2040 KB	Output is correct
20	Correct	0 ms	2040 KB	Output is correct

Subtask #2

0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2040 KB	Output is correct
2	Correct	0 ms	2040 KB	Output is correct
3	Correct	0 ms	2040 KB	Output is correct
4	Correct	0 ms	2040 KB	Output is correct
5	Correct	0 ms	2040 KB	Output is correct
6	Correct	0 ms	2040 KB	Output is correct
7	Correct	0 ms	2040 KB	Output is correct
8	Correct	0 ms	2040 KB	Output is correct
9	Correct	0 ms	2040 KB	Output is correct
10	Correct	0 ms	2040 KB	Output is correct
11	Correct	0 ms	2040 KB	Output is correct
12	Correct	0 ms	2040 KB	Output is correct
13	Correct	0 ms	2040 KB	Output is correct
14	Correct	0 ms	2040 KB	Output is correct
15	Correct	0 ms	2040 KB	Output is correct
16	Correct	0 ms	2040 KB	Output is correct
17	Correct	0 ms	2040 KB	Output is correct
18	Correct	0 ms	2040 KB	Output is correct
19	Correct	0 ms	2040 KB	Output is correct
20	Correct	0 ms	2040 KB	Output is correct
21	Correct	1083 ms	12248 KB	Output is correct
22	Correct	1163 ms	12076 KB	Output is correct
23	Correct	1073 ms	11556 KB	Output is correct
24	Correct	1533 ms	12664 KB	Output is correct
25	Correct	1113 ms	12492 KB	Output is correct
26	Correct	1863 ms	10076 KB	Output is correct
27	Execution timed out	2000 ms	10076 KB	Execution timed out
28	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Memory limit exceeded	173 ms	524288 KB	Memory limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 42.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2040 KB	Output is correct
2	Correct	0 ms	2040 KB	Output is correct
3	Correct	0 ms	2040 KB	Output is correct
4	Correct	0 ms	2040 KB	Output is correct
5	Correct	0 ms	2040 KB	Output is correct
6	Correct	0 ms	2040 KB	Output is correct
7	Correct	0 ms	2040 KB	Output is correct
8	Correct	0 ms	2040 KB	Output is correct
9	Correct	0 ms	2040 KB	Output is correct
10	Correct	0 ms	2040 KB	Output is correct
11	Correct	0 ms	2040 KB	Output is correct
12	Correct	0 ms	2040 KB	Output is correct
13	Correct	0 ms	2040 KB	Output is correct
14	Correct	0 ms	2040 KB	Output is correct
15	Correct	0 ms	2040 KB	Output is correct
16	Correct	0 ms	2040 KB	Output is correct
17	Correct	0 ms	2040 KB	Output is correct
18	Correct	0 ms	2040 KB	Output is correct
19	Correct	0 ms	2040 KB	Output is correct
20	Correct	0 ms	2040 KB	Output is correct
21	Correct	1083 ms	12248 KB	Output is correct
22	Correct	1163 ms	12076 KB	Output is correct
23	Correct	1073 ms	11556 KB	Output is correct
24	Correct	1533 ms	12664 KB	Output is correct
25	Correct	1113 ms	12492 KB	Output is correct
26	Correct	1863 ms	10076 KB	Output is correct
27	Execution timed out	2000 ms	10076 KB	Execution timed out
28	Halted	0 ms	0 KB	-