제출 #832213

#제출 시각아이디문제언어결과실행 시간메모리
832213devariaotaArranging Shoes (IOI19_shoes)C++17
50 / 100
1085 ms3116 KiB
#include<bits/stdc++.h> using namespace std; #define ioss ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define ll long long #define tup tuple<int, int, int> #define pii pair<int, int> #define fi first #define se second #define pub push_back #define pob pop_back ll count_swaps(vector<int> s) { ll ans = 0; for(int i = 0; i < s.size(); i++) { if(s[i] == 0) continue; if(s[i] < 0) { ll cnt = 0; for(int j = i+1; j < s.size(); j++) { if(s[j] == 0) { cnt++; continue; } if(s[j] == -s[i]) { ans += 1ll*(j-i-1) - cnt; s[i] = s[j] = 0; break; } } } else { ll cnt = 0; for(int j = i+1; j < s.size(); j++) { if(s[j] == 0) { cnt++; continue; } if(s[j] == -s[i]) { ans += 1ll*(j-i) - cnt; s[i] = s[j] = 0; break; } } } } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~
shoes.cpp:17:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |             for(int j = i+1; j < s.size(); j++) {
      |                              ~~^~~~~~~~~~
shoes.cpp:32:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |             for(int j = i+1; j < s.size(); j++) {
      |                              ~~^~~~~~~~~~
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