Language: C++

#include <iostream>
#include<algorithm>
#define MAX 11

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
	int n;
	while (cin >> n, n){

		//初期化
		int edge[MAX][2], oppedge[MAX][2], ledge[MAX][2], redge[MAX][2];
		int endedge[MAX][2], endoppedge[MAX][2], endledge[MAX][2], endredge[MAX][2];
		for (int i = 0; i < MAX; i++){
			for (int j = 0; j < 2; j++){
				edge[i][j] = oppedge[i][j] = ledge[i][j] = redge[i][j] = 0;
				endedge[i][j] = endoppedge[i][j] = endledge[i][j] = endredge[i][j] = 0;
			}
		}

		//基準図形の頂点の座標を入力
		int m;
		cin >> m;
		int x[11], y[11];
		for (int i = 0; i < m; i++){
			cin >> x[i] >> y[i];
		}

		//基準図形の取得
		for (int i = 0; i < m - 1; i++){
			if (x[i] != x[i + 1]){
				edge[i][0] = x[i + 1] - x[i];
			}
			else{
				edge[i][1] = y[i + 1] - y[i];
			}
		}

		//基準図形を逆向きに辿ったもの
		for (int i = m - 2; i >= 0; i--){
			endedge[i][0] = edge[m - 2 - i][0];
			endedge[i][1] = edge[m - 2 - i][1];
		}

		//基準図形を左90度回転したもの
		for (int i = 0; i < m - 1; i++){
			ledge[i][0] = edge[i][1] * (-1);
			ledge[i][1] = edge[i][0];
			endledge[i][0] = endedge[i][1] * (-1);
			endledge[i][1] = endedge[i][0];

		}

		//基準図形を右90度回転したもの
		for (int i = 0; i < m - 1; i++){
			redge[i][0] = edge[i][1];
			redge[i][1] = edge[i][0] * (-1);
			endredge[i][0] = endedge[i][1];
			endredge[i][1] = endedge[i][0] * (-1);

		}

		//基準図形を180度回転したもの
		for (int i = 0; i < m - 1; i++){
			oppedge[i][0] = edge[i][0] * (-1);
			oppedge[i][1] = edge[i][1] * (-1);
			endoppedge[i][0] = endedge[i][0] * (-1);
			endoppedge[i][1] = endedge[i][1] * (-1);
		}


		//対象図形
		for (int i = 0; i < n; i++){
			cin >> m;

			//初期化
			bool edgeflag, redgeflag, ledgeflag, oppedgeflag;
			bool endedgeflag, endredgeflag, endledgeflag, endoppedgeflag;
			edgeflag = redgeflag = ledgeflag = oppedgeflag = true;
			endedgeflag = endredgeflag = endledgeflag = endoppedgeflag = true;
			int under[MAX][2];
			for (int j = 0; j < MAX; j++){
				for (int k = 0; k < 2; k++){
					under[j][k] = 0;
				}
			}


			// 対象図形の頂点の座標を入力
			for (int j = 0; j < m; j++){
				cin >> x[j] >> y[j];
			}

			//対象図形の取得
			for (int j = 0; j < m - 1; j++){
				if (x[j] != x[j + 1]){
					under[j][0] = x[j + 1] - x[j];
				}
				else{
					under[j][1] = y[j + 1] - y[j];
				}
			}


			//対象図形の判定
			for (int j = 0; j < m - 1; j++){

				if (edge[j][0] != under[j][0] || edge[j][1] != under[j][1]){
					edgeflag = false;
				}
				if (redge[j][0] != under[j][0] || redge[j][1] != under[j][1]){
					redgeflag = false;
				}
				if (ledge[j][0] != under[j][0] || ledge[j][1] != under[j][1]){
					ledgeflag = false;
				}
				if (oppedge[j][0] != under[j][0] || oppedge[j][1] != under[j][1]){
					oppedgeflag = false;
				}
				if (endedge[j][0] != under[j][0] || endedge[j][1] != under[j][1]){
					endedgeflag = false;
				}
				if (endredge[j][0] != under[j][0] || endredge[j][1] != under[j][1]){
					endredgeflag = false;
				}
				if (endledge[j][0] != under[j][0] || endledge[j][1] != under[j][1]){
					endledgeflag = false;
				}
				if (endoppedge[j][0] != under[j][0] || endoppedge[j][1] != under[j][1]){
					endoppedgeflag = false;
				}
			}
			if (edgeflag || redgeflag || ledgeflag || oppedgeflag || endedgeflag || endredgeflag || endledgeflag || endoppedgeflag)
				cout << i + 1 << endl;
		}
		cout << "+++++" << endl;
	}
	return 0;
}

Compiler output:
a.cc:7:22: error: '_TCHAR' has not been declared
    7 | int _tmain(int argc, _TCHAR* argv[])
      |                      ^~~~~~