結果
問題 |
No.2804 Fixer And Ratism
|
ユーザー |
![]() |
提出日時 | 2024-07-15 14:56:16 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 43 ms / 2,000 ms |
コード長 | 1,815 bytes |
コンパイル時間 | 1,909 ms |
コンパイル使用メモリ | 96,856 KB |
最終ジャッジ日時 | 2025-02-23 15:46:25 |
ジャッジサーバーID (参考情報) |
judge5 / judge6 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 31 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:49:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 49 | scanf("%d%d", &n, &qn); | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp:57:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 57 | scanf("%d", &op); | ~~~~~^~~~~~~~~~~ main.cpp:62:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 62 | scanf("%s%d", s, &r); | ~~~~~^~~~~~~~~~~~~~~ main.cpp:70:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 70 | scanf("%d", &x); | ~~~~~^~~~~~~~~~ main.cpp:77:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 77 | scanf("%s%d", s, &x); | ~~~~~^~~~~~~~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*- * * 2804.cc: No.2804 Fixer And Ratism - yukicoder */ #include<cstdio> #include<string> #include<vector> #include<unordered_map> #include<set> #include<algorithm> #include<utility> using namespace std; /* constant */ const int MAX_M = 100; const int MAX_L = 100; /* typedef */ using vi = vector<int>; using pii = pair<int,int>; using umsi = unordered_map<string,int>; using spii = set<pii>; using vpii = vector<pii>; /* global variables */ string ss[MAX_M]; int rs[MAX_M]; umsi sids; /* subroutines */ int allocid(char s[], int &m) { string w(s); auto mit = sids.find(w); if (mit != sids.end()) return mit->second; ss[m] = w; return (sids[w] = m++); } /* main */ int main() { int n, qn; scanf("%d%d", &n, &qn); int m = 0; spii ps0, ps1; vi rts; for (int i = 0; i < qn; i++) { int op; scanf("%d", &op); if (op == 1) { char s[MAX_L + 4]; int r; scanf("%s%d", s, &r); int u = allocid(s, m); rs[u] = r; ps1.insert({r, u}); } else if (op == 2) { int x; scanf("%d", &x); n -= x; } else { // op == 3 char s[MAX_L + 4]; int x; scanf("%s%d", s, &x); int u = allocid(s, m); ps1.erase({rs[u], u}); ps0.insert({rs[u], u}); n += x; } vpii tmp; while (! ps1.empty() && ps0.size() + ps1.size() > n) { tmp.push_back(*ps1.begin()); ps1.erase(ps1.begin()); } while (ps0.size() > n) { tmp.push_back(*ps0.begin()); ps0.erase(ps0.begin()); } if (! tmp.empty()) { sort(tmp.begin(), tmp.end()); for (auto [r, u]: tmp) rts.push_back(u); } //printf(" i=%d, op=%d, n=%d, tmp=%d\n", i, op, n, (int)tmp.size()); } for (auto u: rts) puts(ss[u].c_str()); return 0; }