제출 #158292

#제출 시각아이디문제언어결과실행 시간메모리
158292thecodingwizardRuka (COI15_ruka)C++11
44 / 100
2040 ms6264 KiB
//#pragma GCC optimize ("O3") //#pragma GCC target ("sse4") #include <bits/stdc++.h> using namespace std; template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>; #define FOR(i, a, b) for (int i=a; i<(b); i++) #define F0R(i, a) for (int i=0; i<(a); i++) #define F0R1(i, a) for (int i=1; i<=(a); i++) #define FORd(i, a, b) for (int i = (b)-1; i >= a; i--) #define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--) #define trav(a, x) for (auto& a : x) #define MIN(a, b) a = min(a, b) #define MAX(a, b) a = max(a, b) #define INF 1000000010 #define LL_INF 4500000000000000000LL #define LSOne(S) (S & (-S)) #define EPS 1e-9 #define pA first #define pB second #define mp make_pair #define mt make_tuple #define pb push_back #define eb emplace_back #define PI acos(-1.0) // #define MOD (int)(2e+9+11) #define MOD (int)(1e+9+7) #define SET(vec, val, size) for (int i = 0; i < size; i++) vec[i] = val; #define SET2D(arr, val, dim1, dim2) F0R(i, dim1) F0R(j, dim2) arr[i][j] = val; #define SET3D(arr, val, dim1, dim2, dim3) F0R(i, dim1) F0R(j, dim2) F0R(k, dim3) arr[i][j][k] = val; #define SET4D(arr, val, dim1, dim2, dim3, dim4) F0R(i, dim1) F0R(j, dim2) F0R(k, dim3) F0R(l, dim4) arr[i][j][k][l] = val; #define lb lower_bound #define ub upper_bound #define sz(x) (int)x.size() #define beg(x) x.begin() #define en(x) x.end() #define all(x) beg(x), en(x) #define resz resize #define SORT(vec) sort(all(vec)) #define RSORT(vec) sort(vec.rbegin(),vec.rend()) typedef long long ll; typedef long double ld; typedef unsigned long long ull; typedef pair<int, int> ii; typedef pair<int, ii> iii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ii> vii; typedef vector<iii> viii; typedef vector<ll> vl; // @formatter:off // Source: Benq (https://github.com/bqi343/USACO) [Modified] namespace input { template<class T> void re(complex<T>& x); template<class T1, class T2> void re(pair<T1,T2>& p); template<class T> void re(vector<T>& a); template<class T, size_t SZ> void re(array<T,SZ>& a); template<class T> void reA(T A[], int sz); template<class T> void re(T& x) { cin >> x; } void re(double& x) { string t; re(t); x = stod(t); } void re(ld& x) { string t; re(t); x = stold(t); } template<class Arg, class... Args> void re(Arg& first, Args&... rest) { re(first); re(rest...); } template<class T1, class T2> void re(pair<T1,T2>& p) { re(p.pA,p.pB); } template<class T> void re(vector<T>& a) { F0R(i,sz(a)) re(a[i]); } template<class T, size_t SZ> void re(array<T,SZ>& a) { F0R(i,SZ) re(a[i]); } template<class T> void reA(T A[], int sz) { F0R(i, sz) re(A[i]); } void setupIO(const string &PROB = "") { ios::sync_with_stdio(false); cin.tie(nullptr); if (PROB.length() != 0) { ifstream infile(PROB + ".in"); if (infile.good()) { freopen((PROB + ".in").c_str(), "r", stdin); freopen((PROB + ".out").c_str(), "w", stdout); } } } } using namespace input; namespace output { template<class T1, class T2> void prD(const pair<T1,T2>& x); template<class T, size_t SZ> void prD(const array<T,SZ>& x); template<class T> void prD(const vector<T>& x); template<class T> void prD(const set<T>& x); template<class T1, class T2> void prD(const map<T1,T2>& x); template<class T1, class T2> void pr(const pair<T1,T2>& x); template<class T, size_t SZ> void pr(const array<T,SZ>& x); template<class T> void pr(const vector<T>& x); template<class T> void pr(const set<T>& x); template<class T1, class T2> void pr(const map<T1,T2>& x); template<class T> void prD(const T& x) { cout << x; } template<class Arg, class... Args> void prD(const Arg& first, const Args&... rest) { prD(first); prD(rest...); } template<class T1, class T2> void prD(const pair<T1,T2>& x) { prD("{",x.pA,", ",x.pB,"}"); } template<class T> void prDContain(const T& x) { prD("{"); bool fst = 1; for (const auto& a: x) prD(!fst?", ":"",a), fst = 0; // const needed for vector<bool> prD("}"); } template<class T, size_t SZ> void prD(const array<T,SZ>& x) { prDContain(x); } template<class T> void prD(const vector<T>& x) { prDContain(x); } template<class T> void prD(const set<T>& x) { prDContain(x); } template<class T1, class T2> void prD(const map<T1,T2>& x) { prDContain(x); } void psD() { prD("\n"); } template<class Arg> void psD(const Arg& first) { prD(first); psD(); // no space at end of line } template<class Arg, class... Args> void psD(const Arg& first, const Args&... rest) { prD(first," "); psD(rest...); // print w/ spaces } template<class T> void pr(const T& x) { cout << x; } template<class Arg, class... Args> void pr(const Arg& first, const Args&... rest) { pr(first); pr(rest...); } template<class T1, class T2> void pr(const pair<T1,T2>& x) { pr(x.pA, " ", x.pB); } template<class T> void prContain(const T& x) { bool fst = 1; for (const auto& a: x) pr(!fst?" ":"",a), fst = 0; // const needed for vector<bool> } template<class T, size_t SZ> void pr(const array<T,SZ>& x) { prContain(x); } template<class T> void pr(const vector<T>& x) { prContain(x); } template<class T> void pr(const set<T>& x) { prContain(x); } template<class T1, class T2> void pr(const map<T1,T2>& x) { prContain(x); } void ps() { pr("\n"); } template<class Arg> void ps(const Arg& first) { pr(first); ps(); // no space at end of line } template<class Arg, class... Args> void ps(const Arg& first, const Args&... rest) { pr(first," "); ps(rest...); // print w/ spaces } } using namespace output; // @formatter:on /* ============================ */ class Solve { private: map<int, int> delta; vii A; int offset[100000]; int curOffset = 0; int ans = 0; int curLine = 0; void add(int i) { int a = A[i].pA, b = A[i].pB; if (b > 0) { if (a >= curOffset) { delta[a]++; delta[a+b]--; } else if (a+b > curOffset) { delta[a]--; delta[a+b]--; } else { delta[a+b]++; delta[a]--; } } else { if (a <= curOffset) { delta[a]++; delta[a+b]--; } else if (a+b < curOffset) { delta[a]--; delta[a+b]--; } else { delta[a]--; delta[a+b]++; } } } void remove(int i) { int a = A[i].pA, b = A[i].pB; if (b > 0) { if (a >= curOffset) { delta[a]--; delta[a+b]++; } else if (a+b > curOffset) { delta[a]++; delta[a+b]++; } else { delta[a+b]--; delta[a]++; } } else { if (a <= curOffset) { delta[a]--; delta[a+b]++; } else if (a+b < curOffset) { delta[a]++; delta[a+b]++; } else { delta[a]++; delta[a+b]--; } } } public: Solve(const vii &input) { A = input; SET(offset, 0, 100000); F0R(i, sz(A)) { if (A[i].pA > 0 && A[i].pA + A[i].pB < 0) ans++; if (A[i].pA < 0 && A[i].pA + A[i].pB > 0) ans++; } FOR(i, 1, sz(A)) { add(i); } } // move line back void B() { if (curLine == 0) return; int offsetDiff = curOffset - offset[curLine]; A[curLine].pA += offsetDiff; add(curLine); curLine--; } // move line forward void F() { if (curLine == sz(A)-1) return; offset[++curLine] = curOffset; remove(curLine); } // change line void change(int newVal) { int cng = A[curLine].pB - newVal; int newOffset = curOffset + cng; FOR(i, min(curOffset, newOffset), max(curOffset, newOffset) + 1) { if (delta.count(i)) { ans += delta[i]; delta[i] *= -1; } } if (A[curLine].pA > offset[curLine] && A[curLine].pA + A[curLine].pB < offset[curLine]) ans--; if (A[curLine].pA < offset[curLine] && A[curLine].pA + A[curLine].pB > offset[curLine]) ans--; curOffset = newOffset; A[curLine].pB = newVal; if (A[curLine].pA > offset[curLine] && A[curLine].pA + A[curLine].pB < offset[curLine]) ans++; if (A[curLine].pA < offset[curLine] && A[curLine].pA + A[curLine].pB > offset[curLine]) ans++; } int qry() { return ans; } }; int main() { setupIO(); int n; re(n); vector<ii> X, Y; int x = 1, y = 1; F0R(i, n) { int a, b; re(a, b); X.eb(x, a); Y.eb(y, b); x += a; y += b; } Solve xx(X), yy(Y); int m; re(m); F0R(i, m) { char c; re(c); if (c == 'B') { xx.B(); yy.B(); } else if (c == 'F') { xx.F(); yy.F(); } else if (c == 'C') { re(x, y); xx.change(x); yy.change(y); } else { ps(xx.qry() + yy.qry()); } } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

ruka.cpp: In function 'void input::setupIO(const string&)':
ruka.cpp:85:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
                 freopen((PROB + ".in").c_str(), "r", stdin);
                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ruka.cpp:86:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
                 freopen((PROB + ".out").c_str(), "w", stdout);
                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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