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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #619585 | #2442. Welcome Party | IllusionaryDominance# | Compile Error | / | / | C++20 | 2.8kb | 2024-10-07 14:42:44 | 2024-10-07 14:42:48 |
Judging History
answer
#define Please return
#define AC 0
#define cin Mizuhashi
#define cout Parsee
#define endl '\n'
class Reader{
private:
static const int BUF_SIZE = 1 << 22;
char BUF_R[BUF_SIZE], *csy1, *csy2;
#ifndef _LOCAL_RUNNING
#define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
#else
char cur;
#define GC (cur = getchar())
#endif
#define IL inline
public:
IL bool eof() {
#ifndef _LOCAL_RUNNING
return csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2);
#else
return cur == EOF;
#endif
}
template <class Ty>
IL Reader& operator >> (Ty &t) {
int u = 0;
char c = GC;
for (t = 0; c < 48 || c > 57; c = GC)
if (c == EOF) break;
else if (c == '-') u = 1;
for ( ; c > 47 && c < 58; c = GC) t = t * 10 + (c ^ 48);
t = u ? -t : t; return *this;
}
IL Reader& operator >> (double &t) {
int tmp, u = 0; char c = GC;
for (tmp = 0; c < 48 || c > 57; c = GC)
if (c == EOF) break;
else if (c == '-') u = 1;
for ( ; c > 47 && c < 58; c = GC) tmp = tmp * 10 + (c ^ 48);
t = (tmp = u ? -tmp : tmp);
if (c == '.') {
double x = 1;
for (c = GC; c > 47 && c < 58; c = GC) t += (x /= 10) * (c ^ 48);
}
return *this;
}
IL Reader& operator >> (char *s) {
char c = GC;
for (*s = 0; c < 33; c = GC) if (c == EOF) return *this;
for ( ; c > 32; c = GC) *s ++ = c;
*s = 0; return *this;
}
IL Reader& operator >> (char &c) {
for (c = GC; c < 33; c = GC) if (c == EOF) return *this;
return *this;
}
}cin;
class Writer{
private:
static const int BUF_SIZE = 1 << 22;
char BUF_W[BUF_SIZE], *csy;
#define IL inline
inline void WC(const char c) {
if (csy - BUF_W == BUF_SIZE) fwrite(BUF_W, 1, BUF_SIZE, stdout), csy = BUF_W;
*csy ++ = c;
}
public:
Writer() : csy(BUF_W) {}
~ Writer() {fwrite(BUF_W, 1, csy - BUF_W, stdout);}
IL void flush() {fwrite(BUF_W, 1, csy - BUF_W, stdout); csy = BUF_W;}
template <class Ty>
IL Writer& operator << (Ty x) {
static int sta[32], top;
if (x < 0) {
WC('-');
do sta[top ++] = - (x % 10); while (x /= 10);
}else do sta[top ++] = x % 10; while (x /= 10);
while (top) WC(sta[-- top] ^ 48);
return *this;
}
IL Writer& operator << (const char &c) {WC(c); return *this;}
IL Writer& operator << (const char *s) {while (*s) WC(*s ++); return *this;}
}cout;
using namespace std;
详细
answer.code: In member function ‘bool Reader::eof()’:
answer.code:22:91: error: ‘stdin’ was not declared in this scope
22 | return csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2);
| ^~~~~
answer.code:1:1: note: ‘stdin’ is defined in header ‘<cstdio>’; did you forget to ‘#include <cstdio>’?
+++ |+#include <cstdio>
1 | #define Please return
answer.code:22:65: error: ‘fread’ was not declared in this scope; did you mean ‘friend’?
22 | return csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2);
| ^~~~~
| friend
answer.code: In member function ‘Reader& Reader::operator>>(Ty&)’:
answer.code:12:100: error: ‘stdin’ was not declared in this scope
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:100: note: ‘stdin’ is defined in header ‘<cstdio>’; did you forget to ‘#include <cstdio>’?
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:74: error: there are no arguments to ‘fread’ that depend on a template parameter, so a declaration of ‘fread’ must be available [-fpermissive]
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:74: note: (if you use ‘-fpermissive’, G++ will accept your code, but allowing the use of an undeclared name is deprecated)
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:124: error: ‘EOF’ was not declared in this scope
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:124: note: ‘EOF’ is defined in header ‘<cstdio>’; did you forget to ‘#include <cstdio>’?
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~
answer.code:30:22: note: in expansion of macro ‘GC’
30 | char c = GC;
| ^~
answer.code:12:74: error: there are no arguments to ‘fread’ that depend on a template parameter, so a declaration of ‘fread’ must be available [-fpermissive]
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:31:51: note: in expansion of macro ‘GC’
31 | for (t = 0; c < 48 || c > 57; c = GC)
| ^~
answer.code:12:74: error: there are no arguments to ‘fread’ that depend on a template parameter, so a declaration of ‘fread’ must be available [-fpermissive]
12 | #define GC (csy1 == csy2 && (csy2 = (csy1 = BUF_R) + fread(BUF_R, 1, BUF_SIZE, stdin), csy1 == csy2) ? EOF : *csy1 ++)
| ^~~~~
answer.code:34:47: note: in expansion of macro ‘GC’
34 | for ( ; c > 47 && c < 58; c = GC) t = t * 10 + (c ^ 48);
| ^~
answer.code: In member f...