Submission #57743

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
57743	2018-07-16 01:16:07	polyfish	Pick (COI18_pick)	C++14	80 / 100	1080 ms	860 KiB

pick

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#include <bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define y1 _y1_
#define y2 _y2_
typedef pair<int, int> point;
class polygon {
public:
    vector<point> bound;
    void ins(point G) {
        bound.push_back(G);
    }
    int area() {
        int res = 0;
        for (int i=0; i<bound.size(); ++i) {
            int j = (i + 1 + bound.size()) % bound.size();
            res += (bound[i].x * bound[j].y - bound[i].y * bound[j].x);
        }
        return abs(res);
    }
} res;
int a, b, c, d;
void solve(int x1, int x2, int y1, int y2, int z1, int z2, int z3, int z4) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pick.cpp: In member function 'int polygon::area()':
pick.cpp:21:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=0; i<bound.size(); ++i) {
                       ~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 20