oj.uz

Submission #600764

# Submission time Handle Problem Language Result Execution time Memory
600764 2022-07-21T07:39:57 Z 조영욱(#8469) Long Distance Coach (JOI17_coach) C++17
100 / 100
 228 ms 18928 KB 
#include <bits/stdc++.h>
using namespace std;

long long x;
int n,m;
long long w,t;
vector<long long> s;
long long c1[200000];
typedef pair<long long,long long> P;
vector<P> vec;
long long mn[200001];
long long psum[200001];
long long dp[200001];
long long MX;
const long long INF=3e18;

struct Node {
    P line;
    int l,r;
};

vector<Node> seg;
Node emp={P(0,INF),-1,-1};

long long f(P line,long long xq) {
    return line.first*xq+line.second;
}

void insert(P line,int node=0,long long xl=0,long long xr=MX) {
    long long mid=(xl+xr)/2;
    P low=line;
    P high=seg[node].line;
    if (f(low,xl)>f(high,xl)) {
        swap(low,high);
    }
    if (f(low,xr)<=f(high,xr)) {
        seg[node].line=low;
        return;
    }
    if (f(low,mid)<=f(high,mid)) {
        seg[node].line=low;
        if (seg[node].r==-1) {
            seg[node].r=seg.size();
            seg.push_back(emp);
        }
        insert(high,seg[node].r,mid+1,xr);
    }
    else {
        seg[node].line=high;
        if (seg[node].l==-1) {
            seg[node].l=seg.size();
            seg.push_back(emp);
        }
        insert(low,seg[node].l,xl,mid);
    }
}

long long query(long long xq,int node=0,long long xl=0,long long xr=MX) {
    if (node==-1) {
        return INF;
    }
    long long ret=f(seg[node].line,xq);
    if (xl==xr) {
        return ret;
    }
    long long mid=(xl+xr)/2;
    if (xq<=mid) {
        ret=min(ret,query(xq,seg[node].l,xl,mid));
    }
    else {
        ret=min(ret,query(xq,seg[node].r,mid+1,xr));
    }
    return ret;
}

int main() {
    scanf("%lld %d %d %lld %lld",&x,&n,&m,&w,&t);
    for(int i=0;i<n;i++) {
        long long val;
        scanf("%lld",&val);
        s.push_back(val);
    }
seg.push_back(emp);
    s.push_back(x);
    sort(s.begin(),s.end());
    for(int i=0;i<m;i++) {
        long long d;
        long long c;
        scanf("%lld %lld",&d,&c);
        vec.push_back(P(d,c));
    }
    vec.push_back(P(0,0));
    sort(vec.begin(),vec.end());
    for(int i=0;i<=m;i++) {
        mn[i]=-1;
    }
    for(int i=0;i<s.size();i++) {
        int ind=lower_bound(vec.begin(),vec.end(),P(s[i]%t,-1))-vec.begin()-1;
        if (mn[ind]==-1) {
            mn[ind]=s[i]/t;
        }
    }
    MX=x/t;
    dp[0]=((x/t)+1)*w;
insert(P(0,dp[0]));
    for(int i=1;i<=m;i++) {
        psum[i]=psum[i-1]+vec[i].second;
        long long cnt=x/t+(vec[i].first<x%t);
        dp[i]=9e18;
        dp[i]=min(dp[i],dp[i-1]+cnt*w);
        if (mn[i]!=-1) {
                dp[i]=min(dp[i],query(mn[i])+psum[i]+w*mn[i]*i);
        }
        insert(P(-w*i,dp[i]-psum[i]));
        //printf(".%lld\n",dp[i]);
    }
    printf("%lld",dp[m]);
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:97:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |     for(int i=0;i<s.size();i++) {
      |                 ~^~~~~~~~~
coach.cpp:77:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%lld %d %d %lld %lld",&x,&n,&m,&w,&t);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
coach.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         scanf("%lld",&val);
      |         ~~~~~^~~~~~~~~~~~~
coach.cpp:89:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |         scanf("%lld %lld",&d,&c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 240 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 240 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 240 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 4 ms 468 KB Output is correct
40 Correct 3 ms 392 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 436 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 456 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 2 ms 468 KB Output is correct
47 Correct 3 ms 452 KB Output is correct
48 Correct 2 ms 392 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 2 ms 468 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 240 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 316 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 308 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 4 ms 468 KB Output is correct
40 Correct 3 ms 392 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 436 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 456 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 2 ms 468 KB Output is correct
47 Correct 3 ms 452 KB Output is correct
48 Correct 2 ms 392 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 468 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 171 ms 12804 KB Output is correct
53 Correct 208 ms 10348 KB Output is correct
54 Correct 163 ms 10404 KB Output is correct
55 Correct 148 ms 10300 KB Output is correct
56 Correct 161 ms 10232 KB Output is correct
57 Correct 134 ms 10240 KB Output is correct
58 Correct 138 ms 10224 KB Output is correct
59 Correct 127 ms 10280 KB Output is correct
60 Correct 129 ms 10260 KB Output is correct
61 Correct 127 ms 10308 KB Output is correct
62 Correct 167 ms 10328 KB Output is correct
63 Correct 130 ms 18928 KB Output is correct
64 Correct 147 ms 15636 KB Output is correct
65 Correct 190 ms 15516 KB Output is correct
66 Correct 169 ms 15500 KB Output is correct
67 Correct 163 ms 15552 KB Output is correct
68 Correct 176 ms 15508 KB Output is correct
69 Correct 214 ms 15264 KB Output is correct
70 Correct 166 ms 15200 KB Output is correct
71 Correct 163 ms 15300 KB Output is correct
72 Correct 169 ms 15256 KB Output is correct
73 Correct 158 ms 15300 KB Output is correct
74 Correct 149 ms 15356 KB Output is correct
75 Correct 211 ms 15436 KB Output is correct
76 Correct 175 ms 15500 KB Output is correct
77 Correct 136 ms 15172 KB Output is correct
78 Correct 154 ms 15460 KB Output is correct
79 Correct 228 ms 14864 KB Output is correct
80 Correct 155 ms 14944 KB Output is correct