oj.uz

Submission #803957

# Submission time Handle Problem Language Result Execution time Memory
803957 2023-08-03T06:40:44 Z Dan4Life Ideal city (IOI12_city) C++17
0 / 100
 7 ms 468 KB 
#include <bits/stdc++.h>
using namespace std;
using  ll = long long;
const ll MOD = (ll)1e9;

int DistanceSum(int N, int *X, int *Y) {
    ll ans = 0; sort(X,X+N), sort(Y,Y+N);
    for(int j : {0,1}){
      ll tot = 0;
      for(int i = 0; i < N; i++){
          ans+=(1ll*X[i]*i-tot+MOD)%MOD;
          tot+=X[i], tot%=MOD; swap(X[i],Y[i]);
      }
    }
    return (int)ans;
}

Compilation message

city.cpp: In function 'int DistanceSum(int, int*, int*)':
city.cpp:8:13: warning: unused variable 'j' [-Wunused-variable]
    8 |     for(int j : {0,1}){
      |             ^

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 7 ms 468 KB Output isn't correct
2 Halted 0 ms 0 KB -