#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
#include "office.h"
int yes[4];
int main() {
int i;
int N = GetN();
for (i = 0; i < 4; i++) {
yes[i] = isOnLine(i+1,((i+1) % 5)+1,((i+2) % 5)+1);
if ((i == 0) && yes[i]) break;
}
if (i == 0) {
vi v;
for (i = 3; i < N; i += 2) {
if (i == N-1) {
if (!isOnLine(1,2,i+1)) v.pb(i);
}
else {
if (!isOnLine(1,i+1,i+2)) {
if (!isOnLine(1,2,i+1)) v.pb(i);
else v.pb(i+1);
}
}
if (v.size() == 2) break;
}
Answer(1,2,v[0]+1,v[1]+1);
}
else if (yes[0] || yes[1] || yes[2] || yes[3]) {
int a,x,y;
if (!yes[0] && yes[1] && yes[2] && !yes[3]) a = 0;
else if (!yes[0] && !yes[1] && yes[2] && yes[3]) a = 1;
else if (!yes[0] && !yes[1] && !yes[2] && yes[3]) a = 2;
else if (yes[0] && !yes[1] && !yes[2] && !yes[3]) a = 3;
else if (yes[0] && yes[1] && !yes[2] && !yes[3]) a = 4;
x = (a+1) % 5,y = (a+2) % 5;
vi v;
v.pb(a);
for (i = 5; i < N; i++) {
if (i == N-1) {
if (!isOnLine(x+1,y+1,i+1)) v.pb(i);
}
else {
if (!isOnLine(x+1,i+1,i+2)) {
if (!isOnLine(x+1,y+1,i+1)) v.pb(i);
else v.pb(i+1);
}
}
if (v.size() == 2) break;
}
Answer(x+1,y+1,v[0]+1,v[1]+1);
}
else {
if (isOnLine(1,2,3)) Answer(1,2,4,5);
else if (isOnLine(1,2,4)) Answer(1,2,3,5);
else if (isOnLine(1,2,5)) Answer(1,2,3,4);
else if (isOnLine(1,3,4)) Answer(1,3,2,5);
else if (isOnLine(1,3,5)) Answer(1,3,2,4);
else if (isOnLine(1,4,5)) Answer(1,4,2,3);
else if (isOnLine(2,3,4)) Answer(2,3,1,5);
else if (isOnLine(2,3,5)) Answer(2,3,1,4);
else if (isOnLine(2,4,5)) Answer(2,4,1,3);
else if (isOnLine(3,4,5)) Answer(3,4,1,2);
}
return 0;
}
Compilation message
office.c: In function 'int isOnLine(int, int, int)':
office.c:85:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(0, "Protocol error");
^
office.c:88:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(0, "Protocol error");
^
office.c:92:37: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(false, "Too many questions");
^
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
int i;
^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(0, "Protocol error");
^
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(true, "Correct");
^
office.c:132:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(false, "Wrong answer");
^
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(true, "Correct");
^
office.c:138:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(false, "Wrong answer");
^
office.c:140:33: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(false, "Wrong answer");
^
office.c:142:23: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
_Fin(true, "Correct");
^
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
int na1, nb1, na2, nb2, pont;
^~~~
office.c: In function 'void _doInit()':
office.c:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &_N);
~~~~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
256 KB |
Output is correct - 21 queries, 4 points |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct - 11 queries, 4 points |
| 3 |
Correct |
2 ms |
488 KB |
Output is correct - 157 queries, 4 points |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct - 202 queries, 4 points |
| 5 |
Correct |
2 ms |
608 KB |
Output is correct - 252 queries, 4 points |
| 6 |
Correct |
2 ms |
624 KB |
Output is correct - 303 queries, 4 points |
| 7 |
Correct |
2 ms |
628 KB |
Output is correct - 351 queries, 4 points |
| 8 |
Correct |
2 ms |
628 KB |
Output is correct - 401 queries, 4 points |
| 9 |
Correct |
2 ms |
688 KB |
Output is correct - 451 queries, 4 points |
| 10 |
Correct |
2 ms |
692 KB |
Output is correct - 502 queries, 4 points |
| 11 |
Correct |
2 ms |
716 KB |
Output is correct - 1002 queries, 4 points |
| 12 |
Correct |
2 ms |
720 KB |
Output is correct - 1003 queries, 4 points |
| 13 |
Correct |
2 ms |
724 KB |
Output is correct - 1503 queries, 4 points |
| 14 |
Correct |
2 ms |
724 KB |
Output is correct - 2004 queries, 4 points |
| 15 |
Correct |
2 ms |
732 KB |
Output is correct - 2504 queries, 4 points |
| 16 |
Correct |
2 ms |
740 KB |
Output is correct - 805 queries, 4 points |
| 17 |
Correct |
2 ms |
740 KB |
Output is correct - 855 queries, 4 points |
| 18 |
Correct |
3 ms |
744 KB |
Output is correct - 901 queries, 4 points |
| 19 |
Correct |
2 ms |
748 KB |
Output is correct - 12707 queries, 4 points |
| 20 |
Correct |
2 ms |
752 KB |
Output is correct - 15001 queries, 4 points |
| 21 |
Correct |
2 ms |
884 KB |
Output is correct - 20062 queries, 4 points |
| 22 |
Correct |
2 ms |
888 KB |
Output is correct - 28063 queries, 4 points |
| 23 |
Correct |
3 ms |
1020 KB |
Output is correct - 33890 queries, 4 points |
| 24 |
Correct |
3 ms |
1024 KB |
Output is correct - 40945 queries, 4 points |
| 25 |
Correct |
3 ms |
1032 KB |
Output is correct - 50000 queries, 4 points |
