oj.uz

Submission #908539

# Submission time Handle Problem Language Result Execution time Memory
908539 2024-01-16T13:55:58 Z lighton Segway (COI19_segway) C++17
100 / 100
 282 ms 75088 KB 
#include<bits/stdc++.h>
#define forf(i,a,b) for(int i = a; i<=b; i++)
#define forb(i,a,b) for(int i = a; i>=b; i--)
#define all(v) v.begin(),v.end()
typedef long long ll;
using namespace std;
int N,M;
int A[20001][3];
struct ST{
    int id,time,acc;
    bool operator<(const ST &r){
        if(time ==r.time) return id<r.id;
        return time<r.time;
    }
};
vector<ST> dist[100001];
int isacc[100001];
int ans[20001];
int main(){
    scanf("%d" ,&N);
    forf(i,1,N){
        scanf("%d %d %d" , &A[i][0],&A[i][1],&A[i][2]);
    }
    scanf("%d" , &M);
    forf(i,1,M){
        int t; scanf("%d" , &t);
        isacc[t] = 1;
    }
    forf(i,1,N) dist[0].push_back({i,0,0});
    forf(i,0,299){
        int seg = i/100;
        sort(all(dist[i]));
        int cnt = 0;
        forf(j,0,N-1){
            if(j && dist[i][j-1].time == dist[i][j].time) cnt++;
            else cnt = 0;
            if(isacc[i] && dist[i][j].acc == 0) dist[i][j].acc = (j-cnt)%20;


            if(dist[i][j].acc) dist[i+1].push_back({dist[i][j].id,dist[i][j].time+1,dist[i][j].acc-1});
            else dist[i+1].push_back({dist[i][j].id,dist[i][j].time+A[dist[i][j].id][seg],0});
        }
    }
    for(auto i : dist[300]){
        ans[i.id] = i.time;
    }
    forf(i,1,N) printf("%d\n" , ans[i]);
}

Compilation message

segway.cpp: In function 'int main()':
segway.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d" ,&N);
      |     ~~~~~^~~~~~~~~~
segway.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         scanf("%d %d %d" , &A[i][0],&A[i][1],&A[i][2]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
segway.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     scanf("%d" , &M);
      |     ~~~~~^~~~~~~~~~~
segway.cpp:26:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         int t; scanf("%d" , &t);
      |                ~~~~~^~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2904 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 9 ms 6492 KB Output is correct
4 Correct 40 ms 14876 KB Output is correct
5 Correct 253 ms 74984 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2904 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 1 ms 2908 KB Output is correct
5 Correct 2 ms 3164 KB Output is correct
6 Correct 2 ms 3164 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 3 ms 3932 KB Output is correct
9 Correct 3 ms 3932 KB Output is correct
10 Correct 5 ms 4952 KB Output is correct
11 Correct 3 ms 3756 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2904 KB Output is correct
2 Correct 4 ms 4188 KB Output is correct
3 Correct 9 ms 6492 KB Output is correct
4 Correct 40 ms 14876 KB Output is correct
5 Correct 253 ms 74984 KB Output is correct
6 Correct 1 ms 2904 KB Output is correct
7 Correct 1 ms 2908 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 1 ms 2908 KB Output is correct
10 Correct 2 ms 3164 KB Output is correct
11 Correct 2 ms 3164 KB Output is correct
12 Correct 2 ms 3420 KB Output is correct
13 Correct 3 ms 3932 KB Output is correct
14 Correct 3 ms 3932 KB Output is correct
15 Correct 5 ms 4952 KB Output is correct
16 Correct 3 ms 3756 KB Output is correct
17 Correct 12 ms 6492 KB Output is correct
18 Correct 23 ms 10332 KB Output is correct
19 Correct 126 ms 34908 KB Output is correct
20 Correct 158 ms 43284 KB Output is correct
21 Correct 222 ms 57876 KB Output is correct
22 Correct 282 ms 75088 KB Output is correct
23 Correct 227 ms 74836 KB Output is correct