Floating point exception=浮点错误
by xhQYm @ 2020-03-15 10:54:03
@[AndyChen2005121](/user/152652) `scanf` 里的 `,`？
by ud2_ @ 2020-03-15 10:56:16
@[AndyChen2005121](/user/152652)
`scanf`里面为什么要逗号，输入如果没有逗号会出错吧？
by Aw顿顿 @ 2020-03-15 10:57:35
去掉逗号也会T吧
by dead_X @ 2020-03-15 11:09:47
@[Aw顿顿](/user/212283) 哦 草
by AndyChen2005121 @ 2020-03-15 11:53:01
@[Aw顿顿](/user/212283) 不过现在怎么没输出了 (
by AndyChen2005121 @ 2020-03-15 11:55:31
更新
```cpp
#include <cstdio>
using namespace std;
int t, k;
int c[2005][2005];
int minn(int a, int b) { return a > b ? a : b; }
int ans = 0;
int main() {
c[0][0] = 1;
c[1][0]=c[1][1]=1;
for(int i = 2; i <= 2000; i++){
c[i][0] = 1;
for(int j = 1; j <= 2000; j++){
c[i][j] = (c[i-1][j-1] % k + c[i-1][j] % k) % k;
}
}
scanf("%d %d", &t, &k);
while (t--) {
int n, m;
scanf("%d", &n);
scanf("%d", &m);
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= minn(i, m); j++) {
if (c[i][j] % k == 0){
ans++;
}
}
}
}
printf("%d", ans);
}
```
by AndyChen2005121 @ 2020-03-15 21:59:13
```
#include <cstdio>
#include <iostream>
using namespace std;
int t, k;
int c[2005][2005];
int minn(int a, int b) { return a < b ? a : b; }
int ans = 0;
int main() {
c[0][0] = 1;
c[1][0]=c[1][1]=1;
scanf("%d%d", &t, &k);
for(int i = 2; i <= 2000; i++){
c[i][0] = 1;
for(int j = 1; j <= 2000; j++){
c[i][j] = (c[i-1][j-1] % k + c[i-1][j] % k) % k;
}
}
while (t--) {
ans = 0;
int n, m;
scanf("%d", &n);
scanf("%d", &m);
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= minn(i, m); j++) {
if (c[i][j] == 0){
ans++;
}
}
}
printf("%d\n", ans);
}
}
```
by stansxt @ 2020-03-15 22:42:55