結果
問題 |
No.1890 Many Sequences Sum Queries
|
ユーザー |
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提出日時 | 2022-04-04 21:14:20 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 34 ms / 2,000 ms |
コード長 | 584 bytes |
コンパイル時間 | 1,916 ms |
コンパイル使用メモリ | 196,792 KB |
最終ジャッジ日時 | 2025-01-28 15:03:38 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 25 |
コンパイルメッセージ
main.cpp: In function ‘int main()’: main.cpp:29:34: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘__gnu_cxx::__normal_iterator<long int*, std::vector<long int> >::difference_type’ {aka ‘long int’} [-Wformat=] 29 | printf("%d\n", it - c.begin()); | ~^ ~~~~~~~~~~~~~~ | | | | int __gnu_cxx::__normal_iterator<long int*, std::vector<long int> >::difference_type {aka long int} | %ld main.cpp:5:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 5 | scanf("%d%d", &n, &q); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:8:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 8 | scanf("%d", &a[i]); | ~~~~~^~~~~~~~~~~~~ main.cpp:24:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 24 | scanf("%d", &s); | ~~~~~^~~~~~~~~~
ソースコード
#include <bits/stdc++.h> int main() { int n, q, len = 0; scanf("%d%d", &n, &q); std::vector<int> a(n); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); len += a[i]; } std::vector<int64_t> c(len + 1); int idx = 1; for (int i = 0; i < n; i++) { for (int j = 0; j < a[i]; j++) { c[idx] = j + 1; idx++; } } for (int i = 0; i < len; i++) { c[i + 1] += c[i]; } for (int i = 0; i < q; i++) { int s; scanf("%d", &s); auto it = lower_bound(c.begin(), c.end(), s); if (it == c.end()) { puts("-1"); } else { printf("%d\n", it - c.begin()); } } }