Submission #147024

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
147024	2019-08-27 07:14:37	jun6873	City Mapping (NOI18_citymapping)	C++11	57 / 100	7 ms	1528 KiB

citymapping

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#include "citymapping.h"
#include <bits/stdc++.h>
using namespace std;
// long long get_distance(int X, int Y);
using lint = long long;
const lint inf = 1e18;
int n, t=0, *A, *B, *W;
void f(vector<int> v) {
    int y = v[v.size()-1], z = v[0];
    vector<lint> a, b, c, d;
    lint mxd;
    mxd = 0;
    for (int i : v) {
        lint d = get_distance(y, i);
        if (d > mxd) mxd = d, z = i;
        b.push_back(d);
    }
    for (int i : v) c.push_back(get_distance(z, i));
    for (int i=0; i<v.size(); i++) d.push_back(b[i] - c[i]);
    vector<int> ind;
    for (int i=0; i<v.size(); i++) ind.push_back(i);
    sort(ind.begin(), ind.end(), [&](int x, int y) { return (d[x] < d[y]) or (d[x] == d[y] and b[x] < b[y]); });
 
 
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Compilation message (stderr)

citymapping.cpp: In function 'void f(std::vector<int>)':
citymapping.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<v.size(); i++) d.push_back(b[i] - c[i]);
                   ~^~~~~~~~~
citymapping.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<v.size(); i++) ind.push_back(i);
                   ~^~~~~~~~~
citymapping.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<b.size(); i++) tb.push_back(b[ind[i]]);
                   ~^~~~~~~~~
citymapping.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<d.size(); i++) td.push_back(d[ind[i]]);
                   ~^~~~~~~~~
citymapping.cpp:39:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<v.size(); i++) tv.push_back(v[ind[i]]);
                   ~^~~~~~~~~
citymapping.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<v.size(); ) {
                   ~^~~~~~~~~
citymapping.cpp:45:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (i+1<v.size() and d[i] == d[i+1]) {
                ~~~^~~~~~~~~
citymapping.cpp:49:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (i < v.size()) {
             ~~^~~~~~~~~~
citymapping.cpp: In function 'void find_roads(int, int, int*, int*, int*)':
citymapping.cpp:76:13: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
     swap(v[k-1], v[n-1]);
            ~^~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 13 / 13
• Subtask 4: 19 / 19
• Subtask 5: 0 / 43