Submission #2237200

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Source Code Expand

import std.stdio;
import std.array;
import std.conv;
import std.algorithm;
struct Reader {
    char[][] inputs;
    ulong idx;
    bool nextLine() {
        char[] buf;
        if(readln(buf)==0) return 0;
        inputs=split(buf);
        idx=0;
        return 1;
    }
    char[] nextItem() {
        if(idx==inputs.length) {
            nextLine();
            idx=0;
        }
        return inputs[idx++];
    }
    int nxtInt() {
        return to!int(nextItem());
    }
    double nxtDouble() {
        return to!double(nextItem());
    }
    char[] nxtStr() {
        return nextItem();
    }
}
void main() {
    Reader r;
    int N=r.nxtInt();
    int[] a;
    for(int i=0;i<N;i++) a~=r.nxtInt();
    a.length-=a.sort.uniq.copy(a).length;
    writeln(a.length);
}

Submission Info

Compile Error

./Main.cpp:1:1: error: ‘import’ does not name a type
 import std.stdio;
 ^
./Main.cpp:2:1: error: ‘import’ does not name a type
 import std.array;
 ^
./Main.cpp:3:1: error: ‘import’ does not name a type
 import std.conv;
 ^
./Main.cpp:4:1: error: ‘import’ does not name a type
 import std.algorithm;
 ^
./Main.cpp:6:9: error: expected unqualified-id before ‘[’ token
     char[][] inputs;
         ^
./Main.cpp:7:5: error: ‘ulong’ does not name a type
     ulong idx;
     ^
./Main.cpp:15:9: error: expected unqualified-id before ‘[’ token
     char[] nextItem() {
         ^
./Main.cpp:39:1: error: expected ‘}’ at end of input
 }
 ^
./Main.cpp: In member function ‘bool Reader::nextLine()’:
./Main.cpp:9:13: error: expected unqualified-id before ‘[’ token
         char[] buf;
             ^
./Main.cpp:10:19: error: ‘buf’ was not declared in this scope
         if(readln(buf)==0) return 0;
                   ^
./Main.cpp:10:22: error: ‘readln’ was not declared in this scope
         if(readln(buf)==0) return ...