Submission #976378

#TimeUsernameProblemLanguageResultExecution timeMemory
976378vjudge1Star triangles (IZhO11_triangle)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #define bismillah ios_base::sync_with_stdio(0); cin.tie(0); #define int long long #define v vector #define pb push_back #define ppb pop_back #define all(x) x.begin(), x.end() #define rall(x) x.begin(), x.end() #define pii pair<int, int> #define pll pair<long long, long long> #define fi first #define se second #define mp make_pair #define lb lower_bound #define ub upper_bound #define endl '\n' #define tc int t = 1; while (t--) // #define tc int t; cin >> t; while (t--) const int MOD = 1e9 + 7; const int INF = 1e17; using namespace std; int yp[300000], yn[300000], xp[300000], xn[300000]; signed main(){ bismillah; tc { //input int n; cin >> n; int coordX[n + 1], coordY[n + 1]; for (int i = 0; i < n; i++) { int x, y; cin >> x >> y; if (x >= 0) xp[x]++; else xn[abs(x)]++; if (y >= 0) yp[y]++; else yn[abs(y)]++; coordX[i] = x; coordY[i] = y; } //solve int ans = 0; for (int i = 0; i < n; i++) { ans += (xp[coordX[i]] + xn[coordX[i]] - 1) * (yp[coordY[i]] + yn[coordY[i]] - 1); } //output cout << ans << endl; } }

Compilation message (stderr)

triangle.cpp:23:26: error: 'long long int yn [300000]' redeclared as different kind of entity
   23 | int yp[300000], yn[300000], xp[300000], xn[300000];
      |                          ^
In file included from /usr/include/features.h:461,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:518,
                 from /usr/include/c++/10/cassert:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from triangle.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:222:1: note: previous declaration 'double yn(int, double)'
  222 | __MATHCALL (yn,, (int, _Mdouble_));
      | ^~~~~~~~~~
triangle.cpp: In function 'int main()':
triangle.cpp:42:14: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   42 |     yn[abs(y)]++;
      |              ^
triangle.cpp:42:14: warning: ISO C++ forbids incrementing a pointer of type 'double (*)(int, double) noexcept' [-Wpointer-arith]
   42 |     yn[abs(y)]++;
      |     ~~~~~~~~~^
triangle.cpp:42:14: error: lvalue required as increment operand
   42 |     yn[abs(y)]++;
      |              ^
triangle.cpp:51:78: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   51 |    ans += (xp[coordX[i]] + xn[coordX[i]] - 1) * (yp[coordY[i]] + yn[coordY[i]] - 1);
      |                                                                              ^
triangle.cpp:51:64: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   51 |    ans += (xp[coordX[i]] + xn[coordX[i]] - 1) * (yp[coordY[i]] + yn[coordY[i]] - 1);
      |                                                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
triangle.cpp:51:80: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   51 |    ans += (xp[coordX[i]] + xn[coordX[i]] - 1) * (yp[coordY[i]] + yn[coordY[i]] - 1);
      |                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
triangle.cpp:51:47: error: invalid operands of types 'long long int' and 'double (*)(int, double) noexcept' to binary 'operator*'
   51 |    ans += (xp[coordX[i]] + xn[coordX[i]] - 1) * (yp[coordY[i]] + yn[coordY[i]] - 1);
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                          |                                     |
      |                                          long long int                         double (*)(int, double) noexcept