18 条题解
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(a*a+b*b==c*c){ printf("Right triangle\n"); } if(a*a+b*b>c*c){ printf("Acute triangle\n"); } if(a*a+b*b<c*c){ printf("Obtuse triangle\n"); } if(a==b||b==c){ printf("Isosceles triangle\n"); } if(a==b&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(a*a+b*b==c*c){ printf("Right triangle\n"); } if(a*a+b*b>c*c){ printf("Acute triangle\n"); } if(a*a+b*b<c*c){ printf("Obtuse triangle\n"); } if(a==b||b==c){ printf("Isosceles triangle\n"); } if(a==b&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include using namespace std; int main(void) { int a,b,c,t1,t2; cin>>a>>b>>c; if(a>b) swap(a,b);//swap 交换 if(b>c) swap(b,c); if(a>b) swap(a,b); t1=aa+bb;
t2=c*c; if(a+b<=c) cout<<"Not triangle"<<endl; else { if(t1t2) cout<<"Right triangle"<<endl; if(t1>t2) cout<<"Acute triangle"<<endl; if(t1<t2) cout<<"Obtuse triangle"<<endl; if(ab||bc) cout<<"Isosceles triangle"<<endl; if(ab&&b==c) cout<<"Equilateral triangle"<<endl; } return 0; } -
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#include #include #include using namespace std;
bool is_triangle(int a, int b, int c) { return (a + b > c) && (a + c > b) && (b + c > a); }
string triangle_type(int a, int b, int c) { if (a == b && b == c) { return "Equilateral triangle"; } else if (a == b || a == c || b == c) { return "Isosceles triangle"; } else if (a * a + b * b == c * c || a * a + c * c == b * b || b * b + c * c == a * a) { return "Right triangle"; } else if (a * a + b * b < c * c || a * a + c * c < b * b || b * b + c * c < a * a) { return "Obtuse triangle"; } else { return "Acute triangle"; } }
int main() { int a, b, c; cin >> a >> b >> c; vector result; if (is_triangle(a, b, c)) { result.push_back(triangle_type(a, b, c)); } else { result.push_back("Not triangle"); } for (const auto &r : result) { cout << r << endl; } return 0; }
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#include <bits/stdc++.h> using namespace std; int main() { int a,b,c; int x,y,z; cin>>a>>b>>c; if(a<=b&&b<=c) { x=a; y=b; z=c; }else if(a<=c&&c<=b) { x=a; y=c; z=b; }else if(b<=a&&a<=c) { x=b; y=a; z=c; }else if(b<=c&&c<=a) { x=b; y=c; z=a; }else if(c<=a&&a<=b) { x=c; y=a; z=b; }else if(c<=b&&b<=a) { x=c; y=b; z=a; } else {
} if(x+y>z&&x+z>y&&z+y>x) { if(z*z==x*x+y*y) {printf("Right triangle\n");} if(x*x+y*y>z*z) {printf("Acute triangle\n");} if(x*x+y*y<z*z) {printf("Obtuse triangle\n");} if(x==y&&x!=z||x==z&&x!=y||z==y&&z!=x||x==z&&x==y&&z==y) {printf("Isosceles triangle\n");} if(x==z&&x==y&&z==y) {printf("Equilateral triangle\n");} } else { printf("Not triangle"); } return 0;
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#include #include using namespace std;
int main() { int a, b, c; cin >> a >> b >> c; int arr[3] = {a, b, c}; sort(arr, arr + 3); if (arr[0] + arr[1] <= arr[2]) { cout << "Not triangle" << endl; } else { if (arr[0] == arr[1] && arr[1] == arr[2]) { cout << "Equilateral triangle" << endl; } else if (arr[0] == arr[1] || arr[1] == arr[2]) { cout << "Isosceles triangle" << endl; } if (arr[2] * arr[2] == arr[0] * arr[0] + arr[1] * arr[1]) { cout << "Right triangle" << endl; } else if (arr[2] * arr[2] > arr[0] * arr[0] + arr[1] * arr[1]) { cout << "Obtuse triangle" << endl; } else { cout << "Acute triangle" << endl; } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0;
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0;
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include <bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; if(a+bc or a+cb or b+ca or a+b<c or a+c<b or b+c<a){ cout<<"Not triangle"; } if(a<b and a<c and b<c){ if((aa+bb)<cc){ cout<<"Obtuse triangle"; } if((aa+bb)==cc){ cout<<"Right triangle"; } if((aa+bb)>cc){ cout<<"Acute triangle"; } } if(a>b and a>c and b>c){ if((cc+bb)<aa){ cout<<"Obtuse triangle"; } if((cc+bb)aa){ cout<<"Right triangle"; } if((cc+bb)>aa){ cout<<"Acute triangle"; } } if(b>a and b>c and a>c){ if((cc+aa)<bb){ cout<<"Obtuse triangle"; } if((cc+aa)==bb){ cout<<"Right triangle"; } if((cc+aa)>b*b){ cout<<"Acute triangle"; } } if(ab and ac and cb){ cout<<"Equilateral triangle"; } if((ab and a!=c) or (ac and b!=a) or (bc and a!=c)){ cout<<"Isosceles triangle"; } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(a*a+b*b==c*c){ printf("Right triangle\n"); } if(a*a+b*b>c*c){ printf("Acute triangle\n"); } if(a*a+b*b<c*c){ printf("Obtuse triangle\n"); } if(a==b||b==c){ printf("Isosceles triangle\n"); } if(a==b&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(a*a+b*b==c*c){ printf("Right triangle\n"); } if(a*a+b*b>c*c){ printf("Acute triangle\n"); } if(a*a+b*b<c*c){ printf("Obtuse triangle\n"); } if(a==b||b==c){ printf("Isosceles triangle\n"); } if(a==b&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0; }
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0;
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#include<stdio.h> int main(){ int a,b,c; scanf("%d%d%d",&a,&b,&c); int t; // if(a>b){ t=a; a=b; b=t; } if(a>c){ t=a; a=c; c=t; } if(b>c){ t=b; b=c; c=t; } if(a+b<=c){ printf("Not triangle"); }else{ if(aa+bbcc){ printf("Right triangle\n"); } if(aa+bb>cc){ printf("Acute triangle\n"); } if(aa+bb<c*c){ printf("Obtuse triangle\n"); } if(ab||bc){ printf("Isosceles triangle\n"); } if(ab&&b==c){ printf("Equilateral triangle"); } } return 0;
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信息
- ID
- 626
- 时间
- 1000ms
- 内存
- 128MiB
- 难度
- 4
- 标签
- (无)
- 递交数
- 262
- 已通过
- 119
- 上传者