ABC339(A-C)
A
#include<bits/stdc++.h>
using namespace std;
int main()
{
string s;
cin>>s;
int l=s.length();
int end;
for(int i=l-1;i>=0;i--){
if(s[i]=='.'){
end=i;
break;
}
}
for(int i=end+1;i<l;i++){
cout<<s[i];
}
return 0;
}
B
#include<bits/stdc++.h>
using namespace std;
const int MAX_H = 1005;
const int MAX_W = 1005;
int H, W, N;
int grid[MAX_H][MAX_W];
int row = 1, col = 1, direction = 0;
void move() {
if (direction == 0) {
row--;
if (row == 0) row = H;
} else if (direction == 1) {
col++;
if (col > W) col = 1;
} else if (direction == 2) {
row++;
if (row > H) row = 1;
} else {
col--;
if (col == 0) col = W;
}
}
void changeColor() {
if (grid[row][col] == 0) {
grid[row][col] = 1;
direction = (direction + 1) % 4;
} else {
grid[row][col] = 0;
direction = (direction + 3) % 4;
}
}
int main() {
cin >> H >> W >> N;
for (int i = 1; i <= H; ++i) {
for (int j = 1; j <= W; ++j) {
grid[i][j] = 0;
}
}
for (int i = 0; i < N; ++i) {
changeColor();
move();
}
for (int i = 1; i <= H; ++i) {
for (int j = 1; j <= W; ++j) {
cout << (grid[i][j] == 0 ? "." : "#");
}
cout << endl;
}
return 0;
}
C
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
ll n;
cin>>n;
ll sum=0;
ll ele;
for(ll i=0;i<n;i++){
cin>>ele;
//cout<<ele<<" ";
sum+=ele;
if(sum<0){
sum=0;
}
}
//cout<<endl;
cout<<sum<<endl;
return 0;
}
原文地址:https://blog.csdn.net/pboaths/article/details/136046037
免责声明:本站文章内容转载自网络资源,如本站内容侵犯了原著者的合法权益,可联系本站删除。更多内容请关注自学内容网(zxcms.com)!