#define _USE_MATH_DEFINES #pragma region include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //// //#include // #pragma endregion //#include ///////// #pragma region typedef typedef long long LL; typedef long double LD; typedef unsigned long long ULL; #pragma endregion //typedef ////定数 const int INF = (int)1e9; const LL MOD = (LL)1e9+7; const LL LINF = (LL)4e18+20; const LD PI = acos(-1.0); const double EPS = 1e-9; ///////// using namespace::std; void solve(){ int N,M; cin>>N>>M; const int ter = 777; vector A(N,0); bool flag = false; for(int i=0;i>dat; A[j] += dat; } int sum = 0;//10^3 * 10^3 * 10^3 = 10^9 int L = 0; int R = 0; sum = A[0]; while(Rter){ sum -= A[L]; ++L; } if( sum == ter ){ flag = true; break; } if( R