#include <bits/stdc++.h>
#include <office.h>
using namespace std;
/*
int isOnLine(int x, int y, int z) {
return 0;
}
void Answer(int x, int y, int p, int q) {
return ;
}
int GetN() {
return 1;
}
*/
map <tuple <int, int, int>, int> mem;
int ask(int x, int y, int z) {
if(x > y) swap(x, y);
if(y > z) swap(y, z);
if(x > y) swap(x, y);
if(mem.find(make_tuple(x, y, z)) == mem.end()) {
return mem[make_tuple(x, y, z)] = isOnLine(x, y, z);
} else {
return mem[make_tuple(x, y, z)];
}
}
int main() {
int n = GetN();
if(ask(1, 2, 3) == 1) {
vector <int> can;
for(int i = 4; i <= n; i += 2) {
if(can.size() >= 2) break;
if(i == n) {
can.push_back(i);
} else if (ask(1, i, i+1) == 0) {
if(ask(1, 2, i) == 0) can.push_back(i);
if(can.size() == 2) break;
if(ask(1, 2, i+1) == 0) can.push_back(i+1);
if(can.size() == 2) break;
}
}
Answer(1, 2, can.front(), can.back());
} else if (ask(3, 4, 5) == 1) {
vector <int> can;
if(ask(2, 3, 4) == 1) can.push_back(1);
else can.push_back(2);
for(int i = 6; i <= n; i += 2) {
if(can.size() >= 2) break;
if(i == n) {
can.push_back(i);
} else if (ask(3, i, i+1)) {
if(ask(3, 4, i) == 0) can.push_back(i);
if(can.size() == 2) break;
if(ask(3, 4, i+1) == 0) can.push_back(i+1);
if(can.size() == 2) break;
}
}
Answer(3, 4, can.front(), can.back());
} else if (ask(1, 2, 4) == 1) {
vector <int> can;
can.push_back(3);
for(int i = 4; i <= n; i += 2) {
if(can.size() >= 2) break;
if(i == n) {
can.push_back(i);
} else if (ask(1, i, i+1) == 0) {
if(ask(1, 2, i) == 0) can.push_back(i);
if(can.size() == 2) break;
if(ask(1, 2, i+1) == 0) can.push_back(i+1);
if(can.size() == 2) break;
}
}
Answer(1, 2, can.front(), can.back());
} else {
for(int i = 1; i <= 5; i++) {
for(int j = i+1; j <= 5; j++) {
for(int k = j+1; k <= 5; k++) {
if(ask(i, j, k) == 1) {
vector <int> can;
for(int x = 1; x <= 5; x++) {
if(x == i || x == j || x == k) continue;
can.push_back(x);
}
Answer(i, j, can.front(), can.back());
break;
}
}
}
}
}
};
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:33:21: 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 |
0 ms |
2416 KB |
Output is correct - 21 queries, 4 points |
| 2 |
Correct |
0 ms |
2416 KB |
Output is correct - 11 queries, 4 points |
| 3 |
Correct |
0 ms |
2416 KB |
Output is correct - 157 queries, 4 points |
| 4 |
Partially correct |
0 ms |
2416 KB |
Output is partially correct - 203 queries, 2 points |
| 5 |
Correct |
0 ms |
2416 KB |
Output is correct - 252 queries, 4 points |
| 6 |
Partially correct |
0 ms |
2416 KB |
Output is partially correct - 304 queries, 2 points |
| 7 |
Correct |
0 ms |
2416 KB |
Output is correct - 351 queries, 4 points |
| 8 |
Correct |
0 ms |
2416 KB |
Output is correct - 401 queries, 4 points |
| 9 |
Correct |
0 ms |
2416 KB |
Output is correct - 451 queries, 4 points |
| 10 |
Partially correct |
0 ms |
2416 KB |
Output is partially correct - 503 queries, 2 points |
| 11 |
Correct |
0 ms |
2548 KB |
Output is correct - 1002 queries, 4 points |
| 12 |
Partially correct |
0 ms |
2548 KB |
Output is partially correct - 1004 queries, 2 points |
| 13 |
Correct |
0 ms |
2548 KB |
Output is correct - 1503 queries, 4 points |
| 14 |
Partially correct |
0 ms |
2548 KB |
Output is partially correct - 2005 queries, 2 points |
| 15 |
Correct |
0 ms |
2548 KB |
Output is correct - 2504 queries, 4 points |
| 16 |
Partially correct |
0 ms |
2548 KB |
Output is partially correct - 806 queries, 2 points |
| 17 |
Correct |
0 ms |
2548 KB |
Output is correct - 855 queries, 4 points |
| 18 |
Correct |
0 ms |
2548 KB |
Output is correct - 901 queries, 4 points |
| 19 |
Partially correct |
3 ms |
3208 KB |
Output is partially correct - 12708 queries, 2 points |
| 20 |
Correct |
6 ms |
3340 KB |
Output is correct - 15001 queries, 4 points |
| 21 |
Partially correct |
13 ms |
3736 KB |
Output is partially correct - 20063 queries, 2 points |
| 22 |
Partially correct |
23 ms |
4132 KB |
Output is partially correct - 28064 queries, 2 points |
| 23 |
Partially correct |
19 ms |
4528 KB |
Output is partially correct - 33891 queries, 2 points |
| 24 |
Correct |
19 ms |
5056 KB |
Output is correct - 40945 queries, 4 points |
| 25 |
Correct |
23 ms |
5584 KB |
Output is correct - 50000 queries, 4 points |
