oj.uz

Submission #117824

# Submission time Handle Problem Language Result Execution time Memory
117824 2019-06-17T08:27:19 Z 송준혁(#2882) Segway (COI19_segway) C++14
100 / 100
 622 ms 4076 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;

int N, M;
int A[20202];
int B[20202];
int C[20202];
int ac[330], P[330];
int L[20202], ed;
int ans[20202];

struct Data{
    int id, t, x;
    bool operator<(const Data &r)const{
        return t > r.t;
    }
};
priority_queue<Data> PQ;

int main(){
    scanf("%d", &N);
    for (int i=1; i<=N; i++) scanf("%d %d %d", &A[i], &B[i], &C[i]);
    scanf("%d", &M);
    for (int i=1; i<=M; i++) scanf("%d", &ac[i]);
    M++;
    ac[M] = 300;
    for (int i=1; i<=N; i++){
        int k = min(100, ac[1]) * A[i];
        if (ac[1] > 100) k += min(100, ac[1]-100) * B[i];
        if (ac[1] > 200) k += min(100, ac[1]-200) * C[i];
        PQ.push((Data){i, k, 1});
    }
    int l = 0;
    while (!PQ.empty()){
        Data T = PQ.top();
        PQ.pop();
        if (l != T.t){
            for (int i=1; i<ed; i++) P[L[i]]++;
            ed = 1;
            l = T.t;
        }
        if (T.x == M) {
            ans[T.id] = T.t;
            continue;
        }

        L[ed++] = T.x;
        if (T.id == 0) continue;
        int nx = T.x+1;
        int d = ac[T.x] + P[T.x]%20, k = P[T.x]%20;
        while (nx < M && d > ac[nx]) {
            PQ.push((Data){0, T.t+k-(d-ac[nx]), nx});
            nx++;
        }
        if (nx == M && d > 300){
            ans[T.id] = T.t + k - (d - 300);
            continue;
        }
        if (d <= 100) k += min(ac[nx]-d, 100-d) * A[T.id], d = min(ac[nx], 100);
        if (d <= 200) k += min(ac[nx]-d, 200-d) * B[T.id], d = min(ac[nx], 200);
        if (d <= 300) k += min(ac[nx]-d, 300-d) * C[T.id];
        PQ.push((Data){T.id, T.t+k, nx});
    }
    for (int i=1; i<=N; i++) printf("%d\n", ans[i]);
    return 0;
}

Compilation message

segway.cpp: In function 'int main()':
segway.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
segway.cpp:24:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i=1; i<=N; i++) scanf("%d %d %d", &A[i], &B[i], &C[i]);
                              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
segway.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &M);
     ~~~~~^~~~~~~~~~
segway.cpp:26:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i=1; i<=M; i++) scanf("%d", &ac[i]);
                              ~~~~~^~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 13 ms 1276 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 8 ms 384 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 4 ms 512 KB Output is correct
5 Correct 13 ms 1276 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 3 ms 512 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 54 ms 728 KB Output is correct
19 Correct 87 ms 1088 KB Output is correct
20 Correct 59 ms 952 KB Output is correct
21 Correct 165 ms 1268 KB Output is correct
22 Correct 416 ms 2416 KB Output is correct
23 Correct 622 ms 4076 KB Output is correct