Submission #143779

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
143779	2019-08-15 04:48:35	dongwon0427	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	105 ms	19308 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
int n;
vector<int> L[200005], R[200005];
vector<pii> P;
int fenwick[200005];
void updt(int idx,int v) {
    idx++;
    while(idx <= n) {
        fenwick[idx] += v;
        idx += idx & (-idx);
    }
}
int sum(int idx) {
    idx++;
    int ret = 0;
    while(idx) {
        ret += fenwick[idx];
        idx -= idx & (-idx);
    }
    return ret;
}
ll count_swaps(std::vector<int> s) {
  n = s.size();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<L[i].size();j++) {
                     ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 15 / 15