結果
問題 |
No.2942 Sigma Music Game Level Problem
|
ユーザー |
![]() |
提出日時 | 2024-10-21 11:10:00 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,574 bytes |
コンパイル時間 | 871 ms |
コンパイル使用メモリ | 57,544 KB |
最終ジャッジ日時 | 2025-02-24 22:10:32 |
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 16 WA * 8 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:65:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 65 | scanf("%d%d%d", &n, &qn, &li); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:66:36: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 66 | for (int i = 0; i < n; i++) scanf("%d", as + i); | ~~~~~^~~~~~~~~~~~~~ main.cpp:77:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 77 | scanf("%d", &op); | ~~~~~^~~~~~~~~~~ main.cpp:81:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 81 | scanf("%d", &l); | ~~~~~^~~~~~~~~~ main.cpp:88:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 88 | scanf("%d%d", &l, &r), l--; | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:97:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 97 | scanf("%d", &m); | ~~~~~^~~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*- * * 2942.cc: No.2942 Sigma Music Game Level Problem - yukicoder */ #include<cstdio> #include<vector> #include<algorithm> using namespace std; /* constant */ const int MAX_N = 1000000; const int MAX_M = 200000; /* typedef */ using ll = long long; template <typename T> struct BIT { int n; vector<T> bits; BIT() {} BIT(int _n) { init(_n); } void init(int _n) { n = _n; bits.assign(n + 1, 0); } T sum(int x) { x = min(x, n); T s = 0; while (x > 0) { s += bits[x]; x -= (x & -x); } return s; } void add(int x, T v) { if (x <= 0) return; while (x <= n) { bits[x] += v; x += (x & -x); } } }; /* global variables */ int as[MAX_N]; BIT<int> bit0; BIT<ll> bit1; /* subroutines */ /* main */ int main() { int n, qn, li; scanf("%d%d%d", &n, &qn, &li); for (int i = 0; i < n; i++) scanf("%d", as + i); bit0.init(MAX_M), bit1.init(MAX_M); for (int i = 0; i < n; i++) { bit0.add(as[i], 1); bit1.add(as[i], as[i]); } int q2 = 0; while (qn--) { int op; scanf("%d", &op); if (op == 1) { int l; scanf("%d", &l); bit0.add(l, 1); bit1.add(l, l); } else if (op == 2) { int l, r; scanf("%d%d", &l, &r), l--; int c = bit0.sum(r) - bit0.sum(l); ll s = bit1.sum(r) - bit1.sum(l); printf("%d %lld\n", c, s); q2++; } else if (op == 3) { int m; scanf("%d", &m); li = m; } } if (q2 == 0) puts("Not Found!"); return 0; }