이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
#define int long long
int arr1[3][200001];
int arr2[200001][3];
int ans[400001];
void upd(int x,int y,int val){
if(x<3){
arr1[x][y] = val;
}
if(y<3){
arr2[x][y] = val;
}
}
int get(int x,int y){
if(x<3)return arr1[x][y];
else return arr2[x][y];
}
vector<long long> mosaic(vector<int32_t> X, vector<int32_t> Y, vector<int32_t> T, vector<int32_t> B, vector<int32_t> L, vector<int32_t> R) {
int n = X.size();
for(int i = 0;i<n;i++){
for(int j = 0;j<n;j++){
if(i==0){
upd(i,j,X[j]);
}else if(j==0){
upd(i,j,Y[i]);
}else{
upd(i,j,(get(i-1,j)==0&&get(i,j-1)==0));
}
ans[i-j+n] = get(i,j);
}
}
for(int i = 1;i<2*n;i++){
ans[i]+=ans[i-1];
}
for(int i = 0;i<3;i++){
for(int j = 1;j<n;j++){
arr1[i][j]+=arr1[i][j-1];
arr2[j][i]+=arr2[j-1][i];
}
}
vector<int> ans;
for(int i = 0;i<T.size();i++){
int x1 = T[i] , x2 = B[i];
int y1 = L[i] , y2 = R[i];
long long all = 0;
while(x1<=min(2ll,x2)){
all+=arr1[x1][y2]-(y1==0?0:arr1[x1][y1-1]);
x1++;
}
while(y1<=min(2ll,y2)){
all+=arr2[x2][y1]-(x1==0?0:arr2[x1-1][y1]);
y1++;
}
int mi = (x1-y2+n);
int ma = (x2-y1+n);
int lon = min(y2-y1+1,x2-x1+1);
all+=(ans[ma]-ans[mi-1])*lon;
ans.push_back(all);
}
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
mosaic.cpp: In function 'std::vector<long long int> mosaic(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
mosaic.cpp:43:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(int i = 0;i<T.size();i++){
| ~^~~~~~~~~
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