結果
| 問題 |
No.2042 RGB Caps
|
| コンテスト | |
| ユーザー |
vjudge1
|
| 提出日時 | 2025-11-05 17:23:21 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,039 bytes |
| コンパイル時間 | 3,498 ms |
| コンパイル使用メモリ | 290,936 KB |
| 実行使用メモリ | 10,112 KB |
| 最終ジャッジ日時 | 2025-11-05 17:23:29 |
| 合計ジャッジ時間 | 6,952 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge7 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 WA * 1 |
| other | AC * 3 WA * 13 |
コンパイルメッセージ
In file included from /usr/include/c++/13/string:54,
from /usr/include/c++/13/bitset:52,
from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
from main.cpp:1:
In member function ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator+=(_CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’,
inlined from ‘int main()’ at main.cpp:61:23:
/usr/include/c++/13/bits/basic_string.h:1388:24: warning: ‘last’ may be used uninitialized [-Wmaybe-uninitialized]
1388 | this->push_back(__c);
| ~~~~~~~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:23:9: note: ‘last’ was declared here
23 | char last;
| ^~~~
ソースコード
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define nl endl
signed main(){
int n,k; cin >> n >> k;
map<int,char>m;
string ans ="";
set<char>st;
for(int i = 0; i < k; i++){
int x; cin >> x;
char c; cin >> c;
m[x] = c;
st.insert(c);
}
vector<char>v(st.begin(),st.end());
char last;
vector<char>check;
for(auto [x,y]: m){
last = y;
check.push_back(y);
}
char ss = check[check.size() - 1];
int ii = check.size() - 1;
while(check[ii] == ss){
ii--;
}
char slast = check[ii];
int c1 = 0, c2 = 0, c3 = 0;
if(st.size() == 1){
for(int i = 0; i < n; i++) ans += *st.begin();
cout << ans << nl;
}
else if(st.size() == 2){
int prev = 0;
for(auto &it : m){
char xx;
if(v[0] == it.second) xx = v[1];
else xx = v[0];
int x = it.first - prev;
int soto = x/2;
int boro = x - soto;
int i;
for(i = 0; i < boro; i++) ans+=it.second;
for(i = 0; i < soto; i++) ans+=xx;
prev = it.first;
}
if(ans.size() < n){
while(ans.size()!=n){
ans += last;
}
}
cout << ans << nl;
}
else{
int prev = 0;
for(auto &it : m){
char xx;
if(v[0] == it.second) xx = v[1];
else xx = v[0];
int x = it.first - prev;
int soto = x/2;
int boro = x - soto;
int prothom = soto/2;
int ditio = soto - prothom;
int i;
for(i = 0; i < boro; i++) ans+=it.second;
for(i = 0; i < prothom; i++) ans+=slast;
for(i = 0; i <ditio; i++) ans+=last;
prev = it.first;
}
if(ans.size() < n){
while(ans.size()!=n){
ans += last;
}
}
cout << ans << nl;
}
}
vjudge1