#include "office.h"
#include <bits/stdc++.h>
using namespace std;
int n;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
vector<int> c1, c2, poss; //start all empty
vector<int> c2poss; //extra stuff
int tp = 0;
n = GetN();
if (isOnLine(1, 2, 3)) {
tp = 0;
c1.push_back(1);
c1.push_back(2);
c1.push_back(3);
for (int i = 4; i <= n; i++) {
poss.push_back(i);
}
}
else if (isOnLine(1, 3, 4)) {
tp = 1;
c1.push_back(1);
c1.push_back(3);
c1.push_back(4);
c2.push_back(2);
for (int i = 5; i <= n; i++) {
poss.push_back(i);
}
}
else if (isOnLine(1, 2, 4)) {
tp = 2;
c1.push_back(1);
c1.push_back(2);
c1.push_back(4);
c2.push_back(3);
for (int i = 5; i <= n; i++) {
poss.push_back(i);
}
}
else if (isOnLine(2, 3, 4)) {
tp = 3;
c1.push_back(2);
c1.push_back(3);
c1.push_back(4);
c2.push_back(1);
for (int i = 5; i <= n; i++) {
poss.push_back(i);
}
}
else {
//just bash
if (isOnLine(1, 2, 5)) {
Answer(1, 2, 3, 4);
return 0;
}
if (isOnLine(1, 3, 5)) {
Answer(1, 3, 2, 4);
return 0;
}
if (isOnLine(1, 4, 5)) {
Answer(1, 4, 2, 3);
return 0;
}
if (isOnLine(2, 3, 5)) {
Answer(2, 3, 1, 4);
return 0;
}
if (isOnLine(2, 4, 5)) {
Answer(2, 4, 1, 3);
return 0;
}
if (isOnLine(3, 4, 5)) {
Answer(3, 4, 1, 2);
return 0;
}
return 0; //assert flase should also work here
}
while (poss.size()) {
if (c2.size() >= 2) {
//we can go ahead and answer
Answer(c1[0], c1[1], c2[0], c2[1]);
return 0;
}
if (poss.size() == 1) {
//always must be in the answer
Answer(c1[0], c1[1], c2[0], poss.back());
return 0;
}
int a = poss.back(); poss.pop_back();
int b = poss.back(); poss.pop_back();
if (tp != 0 && poss.size() <= 1) {
//at least one is in the answer
if (isOnLine(c1[0], c1[1], a)) {
c2.push_back(a);
}
else {
c2.push_back(b);
}
continue;
}
if (isOnLine(c1[0], a, b)) {
continue;
}
if (isOnLine(c1[0], c1[1], a)) {
c2.push_back(b);
}
else {
c2.push_back(a);
c2poss.push_back(b);
}
}
for (int v : c2poss) c2.push_back(v);
Answer(c1[0], c1[1], c2[0], c2[1]);
}
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 |
2 ms |
388 KB |
Output is correct - 20 queries, 4 points |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct - 10 queries, 4 points |
| 3 |
Correct |
3 ms |
376 KB |
Output is correct - 156 queries, 4 points |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct - 202 queries, 4 points |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct - 251 queries, 4 points |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct - 303 queries, 4 points |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct - 350 queries, 4 points |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct - 400 queries, 4 points |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct - 450 queries, 4 points |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct - 502 queries, 4 points |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct - 1001 queries, 4 points |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct - 1003 queries, 4 points |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct - 1502 queries, 4 points |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct - 2004 queries, 4 points |
| 15 |
Correct |
2 ms |
504 KB |
Output is correct - 2503 queries, 4 points |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct - 805 queries, 4 points |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct - 854 queries, 4 points |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct - 900 queries, 4 points |
| 19 |
Correct |
3 ms |
636 KB |
Output is correct - 12707 queries, 4 points |
| 20 |
Correct |
3 ms |
760 KB |
Output is correct - 15000 queries, 4 points |
| 21 |
Correct |
3 ms |
888 KB |
Output is correct - 20062 queries, 4 points |
| 22 |
Correct |
3 ms |
888 KB |
Output is correct - 28063 queries, 4 points |
| 23 |
Correct |
4 ms |
1272 KB |
Output is correct - 33890 queries, 4 points |
| 24 |
Correct |
3 ms |
1272 KB |
Output is correct - 40944 queries, 4 points |
| 25 |
Correct |
8 ms |
1400 KB |
Output is correct - 49999 queries, 4 points |
