제출 #306692

#제출 시각아이디문제언어결과실행 시간메모리
306692cheetoseRectangles (IOI19_rect)C++17
37 / 100
745 ms172792 KiB
#include <bits/stdc++.h> #define mp make_pair #define pb push_back #define X first #define Y second #define y0 y12 #define y1 y22 #define INF 987654321987654321 #define PI 3.141592653589793238462643383279502884 #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c)) #define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c)) #define MEM0(a) memset((a),0,sizeof(a)); #define MEM_1(a) memset((a),-1,sizeof(a)); #define ALL(a) a.begin(),a.end() #define SYNC ios_base::sync_with_stdio(false);cin.tie(0) using namespace std; typedef long long ll; typedef long double ld; typedef double db; typedef unsigned int uint; typedef unsigned long long ull; typedef pair<int, int> Pi; typedef pair<ll, ll> Pll; typedef pair<ld, ld> Pd; typedef vector<int> Vi; typedef vector<ll> Vll; typedef vector<db> Vd; typedef vector<Pi> VPi; typedef vector<Pll> VPll; typedef vector<Pd> VPd; typedef tuple<int, int, int> iii; typedef tuple<int, int, int, int> iiii; typedef tuple<ll, ll, ll> LLL; typedef vector<iii> Viii; typedef vector<LLL> VLLL; typedef complex<double> base; const int MOD = 998244353; ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; } ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); } int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 }; int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 }; int n,m; ll count_rectangles(vector<Vi> a){ n=a.size(),m=a[0].size(); if(n>200)return 0; vector<vector<Vi>> mxr(n,(vector<Vi> (m,Vi(m)))),mxc(m,(vector<Vi> (n,Vi(n)))), dr(n,(vector<Vi> (m,Vi(m)))),dc(m,(vector<Vi> (n,Vi(n)))); fup(i,0,n-1,1){ fup(j1,0,m-1,1){ mxr[i][j1][j1]=a[i][j1]; fup(j2,j1+1,m-1,1){ mxr[i][j1][j2]=max(mxr[i][j1][j2-1],a[i][j2]); } } } fup(j,0,m-1,1){ fup(i1,0,n-1,1){ mxc[j][i1][i1]=a[i1][j]; fup(i2,i1+1,n-1,1){ mxc[j][i1][i2]=max(mxc[j][i1][i2-1],a[i2][j]); } } } fup(i,1,n-2,1){ fup(j1,1,m-2,1){ fup(j2,j1,m-2,1){ int k=i; dr[i][j1][j2]=i-1; while(k<=n-2){ if(mxr[k][j1][j2]<a[k][j1-1] && mxr[k][j1][j2]<a[k][j2+1])dr[i][j1][j2]=k++; else break; } } } } fup(j,1,m-2,1){ fup(i1,1,n-2,1){ fup(i2,i1,n-2,1){ int k=j; dc[j][i1][i2]=j-1; while(k<=m-2){ if(mxc[k][i1][i2]<a[i1-1][k] && mxc[k][i1][i2]<a[i2+1][k])dc[j][i1][i2]=k++; else break; } } } } ll ans=0; fup(x1,1,n-2,1){ fup(x2,x1,n-2,1){ fup(y1,1,m-2,1){ fup(y2,y1,m-2,1){ if(dr[x1][y1][y2]>=x2 && dc[y1][x1][x2]>=y2)ans++; } } } } return ans; }/* int main() { int n,m; scanf("%d%d",&n,&m); vector<Vi> v(n,Vi(m)); fup(i,0,n-1,1)fup(j,0,m-1,1)scanf("%d",&v[i][j]); printf("%lld\n",count_rectangles(v)); }*/

컴파일 시 표준 에러 (stderr) 메시지

rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:49:2: note: in expansion of macro 'fup'
   49 |  fup(i,0,n-1,1){
      |  ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j1' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:50:3: note: in expansion of macro 'fup'
   50 |   fup(j1,0,m-1,1){
      |   ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:52:4: note: in expansion of macro 'fup'
   52 |    fup(j2,j1+1,m-1,1){
      |    ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:57:2: note: in expansion of macro 'fup'
   57 |  fup(j,0,m-1,1){
      |  ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i1' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:58:3: note: in expansion of macro 'fup'
   58 |   fup(i1,0,n-1,1){
      |   ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:60:4: note: in expansion of macro 'fup'
   60 |    fup(i2,i1+1,n-1,1){
      |    ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:65:2: note: in expansion of macro 'fup'
   65 |  fup(i,1,n-2,1){
      |  ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j1' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:66:3: note: in expansion of macro 'fup'
   66 |   fup(j1,1,m-2,1){
      |   ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:67:4: note: in expansion of macro 'fup'
   67 |    fup(j2,j1,m-2,1){
      |    ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:77:2: note: in expansion of macro 'fup'
   77 |  fup(j,1,m-2,1){
      |  ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i1' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:78:3: note: in expansion of macro 'fup'
   78 |   fup(i1,1,n-2,1){
      |   ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'i2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:79:4: note: in expansion of macro 'fup'
   79 |    fup(i2,i1,n-2,1){
      |    ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'x1' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:90:2: note: in expansion of macro 'fup'
   90 |  fup(x1,1,n-2,1){
      |  ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'x2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:91:3: note: in expansion of macro 'fup'
   91 |   fup(x2,x1,n-2,1){
      |   ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'y22' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:92:4: note: in expansion of macro 'fup'
   92 |    fup(y1,1,m-2,1){
      |    ^~~
rect.cpp:10:30: warning: unnecessary parentheses in declaration of 'y2' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
rect.cpp:93:5: note: in expansion of macro 'fup'
   93 |     fup(y2,y1,m-2,1){
      |     ^~~
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