結果
問題 | No.1979 [Cherry 4th Tune A] I min ! |
ユーザー | cologne |
提出日時 | 2022-05-04 23:51:03 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,182 bytes |
コンパイル時間 | 608 ms |
コンパイル使用メモリ | 33,920 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-09 06:22:52 |
合計ジャッジ時間 | 2,020 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | AC | 2 ms
6,820 KB |
testcase_11 | AC | 1 ms
6,816 KB |
testcase_12 | AC | 1 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,816 KB |
testcase_16 | AC | 2 ms
6,820 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 1 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,820 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 2 ms
6,820 KB |
testcase_23 | AC | 2 ms
6,820 KB |
ソースコード
#include <cassert> #include <cstdio> #include <cinttypes> #include <unistd.h> #include <sys/stat.h> #include <sys/mman.h> class StrictInput { char *p; off_t cur = 0; off_t len = 0; public: explicit StrictInput(int fd = 0) { struct stat st; fstat(fd, &st); p = (char *)mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); len = st.st_size; } char readChar() { assert(cur != len); return p[cur++]; } void unreadChar() { assert(cur != 0); --cur; } bool isEof() { return cur == len; } void readEof() { assert(isEof()); } void readSpace() { assert(readChar() == ' '); } void readEoln() { assert(readChar() == '\n'); } // reads uint64_t in range [from, to] uint64_t readU64(uint64_t from = 0, uint64_t to = UINT64_MAX) { uint64_t cur = 0; off_t read_cnt = 0; bool leading_zero = false; while (!isEof()) { char p = readChar(); if (!('0' <= p && p <= '9')) { unreadChar(); break; } uint64_t v = p - '0'; assert(cur <= UINT64_MAX / 10); cur *= 10; assert(cur <= UINT64_MAX - v); cur += v; if (read_cnt == 0 && v == 0) leading_zero = true; ++read_cnt; } if (cur == 0) assert(read_cnt == 1); else assert(!leading_zero); assert(from <= cur && cur <= to); return cur; } // reads int64_t in range [from, to] int64_t readI64(int64_t from = INT64_MIN, int64_t to = INT64_MAX) { uint64_t cur = 0; off_t read_cnt = 0; bool leading_zero = false; bool leading_minus = readChar() == '-'; if (!leading_minus) unreadChar(); while (!isEof()) { char p = readChar(); if (!('0' <= p && p <= '9')) { unreadChar(); break; } uint64_t v = p - '0'; assert(cur <= UINT64_MAX / 10); cur *= 10; assert(cur <= UINT64_MAX - v); cur += v; if (read_cnt == 0 && v == 0) leading_zero = true; ++read_cnt; } if (cur == 0) assert(read_cnt == 1 && !leading_minus); else assert(!leading_zero); if (cur <= INT64_MAX) { int64_t ret = cur; if (leading_minus) ret = -ret; assert(from <= ret && ret <= to); return ret; } else { assert(leading_minus && cur == uint64_t(INT64_MIN)); assert(from == INT64_MIN); return INT64_MIN; } } }; int main() { StrictInput inf; int I = inf.readU64(1, 1'000'000'000); inf.readSpace(); int J = inf.readU64(1, 1'000'000'000); inf.readSpace(); int K = inf.readU64(1, 1'000'000'000); inf.readEoln(); inf.readEof(); if(I <= J && I <= K) puts("Yes"); else puts("No"); }