CSES - Datatähti 2015 loppu

Submission details
Task:	Pörssihai
Sender:	zxc
Submission time:	2015-01-29 15:36:03 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	17
#3	ACCEPTED	71

Test results
test	verdict	time	group
#1	ACCEPTED	0.07 s	1	details
#2	ACCEPTED	0.07 s	1	details
#3	ACCEPTED	0.05 s	1	details
#4	ACCEPTED	0.06 s	2	details
#5	ACCEPTED	0.05 s	2	details
#6	ACCEPTED	0.06 s	2	details
#7	ACCEPTED	1.34 s	3	details
#8	ACCEPTED	1.62 s	3	details
#9	ACCEPTED	1.61 s	3	details
#10	ACCEPTED	1.38 s	3	details
#11	ACCEPTED	1.58 s	3	details
#12	ACCEPTED	1.38 s	3	details
#13	ACCEPTED	1.88 s	3	details
#14	ACCEPTED	2.05 s	3	details
#15	ACCEPTED	1.56 s	3	details
#16	ACCEPTED	1.49 s	3	details
#17	ACCEPTED	1.50 s	3	details
#18	ACCEPTED	1.37 s	3	details
#19	ACCEPTED	1.76 s	3	details
#20	ACCEPTED	1.62 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:17:9: warning: unused variable 'q' [-Wunused-variable]
     int q;
         ^

Code

#include <iostream>
#include <vector>
using namespace std;
const int MN = 1e6+100;
int t[MN];
struct LOL {
    double F,S;
    int Q;
};
vector<LOL > v;
double y;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin>>n;
    int q;
    //cin>>q;
    y = 0;
    v.push_back({(double)-1, double(0), -1});
    //v.push_back({0, (double)y, 0});
    for(int i = 0; i < n; ++i) {
        int qq;
        cin>>qq;
        y -= qq;
        while(v.size() > 1) {
            auto q = v[v.size()-2];
            auto w = v.back();
           // cout<<q.F<<' '<<q.S<<"  *  "<<w.F<<' '<<w.S<<'\n';
            if((y-q.S)/(i-q.F) > (y-w.S)/(i-w.F)) break;
           // cout<<"POIS\n";

        //    cout<<"POIS "<<v.back().Q<<'\n';
            v.pop_back();
        }
        //cout<<"i "<<i<<'\n';
        //for(auto y: v) {
        //    cout<<y.Q<<' ';
       // }
        //cout<<'\n';
        
        int lo = 0;
        int hi = v.size()-1;
        int best = 0;

        while(lo < hi) {
            int mid = (lo+hi)/2;
            if((y-v[mid].S)/(i-v[mid].F) > (y-v[mid+1].S)/(i-v[mid+1].F)) {
                lo = mid+1;
                best = mid+1;
            }
            else {
                hi = mid-1;
                best = mid-1;
            }
        }
        
        cout<<i-v[best].Q<<' ';
        v.push_back({(double)i, y, i});
    }
    cout<<'\n';

}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`200 5986 845897 759781 171305 7836...` view save

correct output
`1 1 2 3 4 1 1 2 4 1 2 1 2 5 6 ...` view save

user output
`1 1 2 3 4 1 1 2 4 1 2 1 2 5 6 ...` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`200 607815 909742 130099 813674 34...` view save

correct output
`1 1 3 1 5 1 1 3 4 5 1 1 1 4 10...` view save

user output
`1 1 3 1 5 1 1 3 4 5 1 1 1 4 10...` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`200 921591 381013 930275 151815 69...` view save

correct output
`1 2 1 4 5 1 2 3 4 1 2 7 1 2 3 ...` view save

user output
`1 2 1 4 5 1 2 3 4 1 2 7 1 2 3 ...` view save

Test 4

Group: 2

Verdict: ACCEPTED

input
`5000 952303 272950 268680 897180 13...` view save

correct output
`1 2 3 1 2 1 4 8 9 10 1 2 13 14...` view save

user output
`1 2 3 1 2 1 4 8 9 10 1 2 13 14...` view save

Test 5

Group: 2

Verdict: ACCEPTED

input
`5000 815856 460818 496023 308974 33...` view save

correct output
`1 2 3 4 5 1 1 2 9 1 11 12 13 1...` view save

user output
`1 2 3 4 5 1 1 2 9 1 11 12 13 1...` view save

Test 6

Group: 2

Verdict: ACCEPTED

input
`5000 4889 373080 366119 72135 10214...` view save

correct output
`1 1 2 3 4 1 1 2 3 4 5 1 2 3 1 ...` view save

user output
`1 1 2 3 4 1 1 2 3 4 5 1 2 3 1 ...` view save

Test 7

Group: 3

Verdict: ACCEPTED

input
`1000000 444890 370930 385763 316218 44...` view save

correct output
`1 2 3 4 1 2 3 4 9 1 2 1 4 5 6 ...` view save

user output
`1 2 3 4 1 2 3 4 9 1 2 1 4 5 6 ...` view save

Test 8

Group: 3

Verdict: ACCEPTED

input
`1000000 202077 270536 246808 189471 19...` view save

correct output
`1 1 2 3 4 1 1 3 4 5 1 2 8 9 10...` view save

user output
`1 1 2 3 4 1 1 3 4 5 1 2 8 9 10...` view save

Test 9

Group: 3

Verdict: ACCEPTED

input
`1000000 736301 784710 628727 708231 64...` view save

correct output
`1 1 3 4 5 6 7 1 2 1 4 1 1 7 1 ...` view save

user output
`1 1 3 4 5 6 7 1 2 1 4 1 1 7 1 ...` view save

Test 10

Group: 3

Verdict: ACCEPTED

input
`1000000 242104 238293 242641 242281 24...` view save

correct output
`1 2 1 2 3 1 2 3 1 2 1 4 11 12 ...` view save

user output
`1 2 1 2 3 1 2 3 1 2 1 4 11 12 ...` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`1000000 252952 189698 245317 275463 24...` view save

correct output
`1 2 1 1 2 4 7 1 2 3 1 2 3 1 1 ...` view save

user output
`1 2 1 1 2 4 7 1 2 3 1 2 3 1 1 ...` view save

Test 12

Group: 3

Verdict: ACCEPTED

input
`1000000 214451 357457 213436 351167 21...` view save

correct output
`1 1 2 1 4 5 6 7 8 9 1 1 3 4 5 ...` view save

user output
`1 1 2 1 4 5 6 7 8 9 1 1 3 4 5 ...` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`1000000 363703 361248 358992 356404 35...` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`1000000 718920 716974 715476 714540 71...` view save

correct output
`1 2 3 4 5 6 7 1 1 1 1 1 1 1 1 ...` view save

user output
`1 2 3 4 5 6 7 1 1 1 1 1 1 1 1 ...` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`1000000 614078 647174 701983 580935 58...` view save

correct output
`1 1 1 3 4 1 6 8 9 1 1 3 4 14 1...` view save

user output
`1 1 1 3 4 1 6 8 9 1 1 3 4 14 1...` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`1000000 788376 788632 788880 789118 78...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`1000000 711774 711541 711305 711627 71...` view save

correct output
`1 2 3 1 2 6 1 2 1 2 3 6 7 1 2 ...` view save

user output
`1 2 3 1 2 6 1 2 1 2 3 6 7 1 2 ...` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`1000000 685798 944128 587123 653271 65...` view save

correct output
`1 1 2 3 4 1 2 7 8 10 11 1 1 3 ...` view save

user output
`1 1 2 3 4 1 2 7 8 10 11 1 1 3 ...` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`1000000 734074 734109 733868 733873 73...` view save

correct output
`1 1 3 4 5 1 1 1 1 1 1 1 3 5 6 ...` view save

user output
`1 1 3 4 5 1 1 1 1 1 1 1 3 5 6 ...` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`1000000 143117 1 267468 262833 141471 ...` view save

correct output
`1 2 1 2 3 1 1 2 4 1 2 10 11 12...` view save

user output
`1 2 1 2 3 1 1 2 4 1 2 10 11 12...` view save

Datatähti 2015 loppu

Pörssihai

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Tasks

Submissions (zxc)