1059
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c += x;
}
printf("%.2f", c * 1.0 / n);
return 0;
}
1060
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
double c = 0;
for (int i = 0; i < n; i++)
{
double x;
cin >> x;
c += x;
}
printf("%.4f", c / n);
return 0;
}
1061
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c += x;
}
printf("%d %.5f", c, c * 1.0 / n);
return 0;
}
1062
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c = max(c, x);
}
cout << c << endl;
return 0;
}
1063
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c = 0, a = 10000;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c = max(c, x);
a = min(a, x);
}
cout << c - a << endl;
return 0;
}
1064
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c = 0, a = 0, b = 0;
for (int i = 0; i < n; i++)
{
int x, y, z;
cin >> x >> y >> z;
a += x;
b += y;
c += z;
}
cout << a << " " << b << " " << c << " " << a + b + c << endl;
return 0;
}
1072
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
int c, a;
cin >> c >> a;
double b = a * 1.0 / c;
for (int i = 1; i < n; i++)
{
int x, y;
cin >> y >> x;
if (b - x * 1.0 / y > 0.05)
cout << "worse\n";
else if (x * 1.0 / y - b > 0.05)
cout << "better\n";
else
cout << "same\n";
}
return 0;
}
1073
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n;
cin >> n;
double c = 0;
for (int i = 0; i < n; i++)
{
double x, y;
int r;
cin >> x >> y >> r;
double s = sqrt(x * x + y * y);
c += r + s * 1.0 / 50 * 2 + 0.5 * r;
}
cout << ceil(c) << endl;
return 0;
}
1074
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 12;
// cin >> n;
int c = 0;
int sum = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c += 300;
if ((c - x) / 100)
{
sum += (c - x) / 100 * 100;
c = c - (c - x) / 100 * 100;
}
c = c - x;
if (c < 0)
{
cout << "-" << i + 1 << endl;
return 0;
}
}
cout << (int)(sum * 1.2 + c) << endl;
return 0;
}
1077
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 12;
cin >> n;
int cc = 0;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
int a = x % 10;
int b = x / 10 % 10;
int c = x / 100 % 10;
int d = x / 1000 % 10;
if (a - b - c - d > 0)
cc++;
}
cout << cc << endl;
return 0;
}
1102
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 12;
cin >> n;
int c = 0;
int a[100];
for (int i = 0; i < n; i++)
{
cin >> a[i];
}
int x;
cin >> x;
for (int i = 0; i < n; i++)
if (x == a[i])
c++;
cout << c << endl;
return 0;
}
1103
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 10;
// cin >> n;
int c = 0;
int a[100];
for (int i = 0; i < n; i++)
{
cin >> a[i];
}
int x;
cin >> x;
for (int i = 0; i < n; i++)
if (x + 30 >= a[i])
c++;
cout << c << endl;
return 0;
}
1104
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 10;
double c = 0;
double a[10] = {28.9, 32.7, 45.6, 78, 35, 86.2, 27.8, 43, 56, 65};
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
c += a[i] * x;
}
printf("%.1f", c);
return 0;
}
1105
#include <bits/stdc++.h>
using namespace std;
signed main()
{
int n = 10;
cin >> n;
int a[100];
for (int i = 0; i < n; i++)
{
cin >> a[i];
}
int x;
cin >> x;
for (int i = n - 1; i >= 0; i--)
cout << a[i] << " ";
return 0;
}
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From: https://www.cnblogs.com/zzh1206/p/17222334.html