oj.uz

Submission #749432

# Submission time Handle Problem Language Result Execution time Memory
749432 2023-05-28T03:15:05 Z Username4132 Segway (COI19_segway) C++14
100 / 100
 119 ms 1108 KB 
#include<iostream>
#include<algorithm>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define forsn(i, s, n) for(int i=s; i<(int)n; ++i)

const int MAXN=20010;
int n, m, speed[MAXN][3], tm[MAXN], sec[MAXN], cn[MAXN], ac[310], ord[MAXN];

int dist(int l, int r, int player){
    int ret=0;
    forn(i, 2){
        int pos=100*(i+1);
        if(l<pos && pos<r){
            ret+=(pos-l)*speed[player][i];
            l=pos;
        }
    }
    int ind=l/100;
    ret+=(r-l)*speed[player][ind];
    return ret;
}

int main(){
    scanf("%d", &n);
    forn(i, n) forn(j, 3) scanf("%d", &speed[i][j]);
    forn(i, n) ord[i]=i;
    scanf("%d", &m);
    forn(i, m) scanf("%d", ac+i);
    ac[m++]=300;
    int cur=0;
    forn(i, m){
        int dis=ac[i]-cur;
        sort(ord, ord+n, [](int a, int b){
            return tm[a]<tm[b];
        });
        int lst;
        forn(j, n){
            if(j==0 || tm[ord[j]]>tm[ord[j-1]]) lst=j;
            cn[ord[j]]=lst;
        }
        forn(j, n){
            if(sec[j]==0) sec[j]=cn[j]%20;
            if(sec[j]>=dis){
                sec[j]-=dis;
                tm[j]+=dis;
            }
            else{
                int pos=cur+sec[j];
                tm[j]+=(sec[j]+dist(pos, ac[i], j));
                sec[j]=0;
            }
        }
        cur=ac[i];
    }
    forn(i, n) printf("%d\n", tm[i]);
}

Compilation message

segway.cpp: In function 'int main()':
segway.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
segway.cpp:26:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |     forn(i, n) forn(j, 3) scanf("%d", &speed[i][j]);
      |                           ~~~~~^~~~~~~~~~~~~~~~~~~~
segway.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     scanf("%d", &m);
      |     ~~~~~^~~~~~~~~~
segway.cpp:29:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     forn(i, m) scanf("%d", ac+i);
      |                ~~~~~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 456 KB Output is correct
5 Correct 15 ms 1108 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 456 KB Output is correct
5 Correct 15 ms 1108 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 1 ms 316 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 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 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 12 ms 396 KB Output is correct
19 Correct 25 ms 632 KB Output is correct
20 Correct 9 ms 724 KB Output is correct
21 Correct 49 ms 852 KB Output is correct
22 Correct 97 ms 984 KB Output is correct
23 Correct 119 ms 992 KB Output is correct